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The Fading Ghost of a Long-Dead Star | NASA Spitzer
August 2, 2018: Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope.
A supernova "remnant" refers to the collective, leftover signs of an exploded star, or supernova. The red filaments in this image belong to a supernova remnant known as HBH 3 that was first observed in 1966 using radio telescopes. Traces of the remnant also radiate optical light. The branches of glowing material are most likely molecular gas that was pummeled by a shockwave generated by the supernova. The energy from the explosion energized the molecules and caused them to radiate infrared light.
The white, cloud-like formation also visible in the image is part of a complex of star-forming regions, simply named W3, W4 and W5. However, those regions extend far beyond the edge of this image. Both the white star-forming regions and the red filaments are approximately 6,400 light years away and lie inside our Milky Way galaxy.
HBH 3 is about 150 light-years in diameter, ranking it amongst the largest known supernova remnants. It is also possibly one of the oldest: Astronomers estimate the original explosion may have happened anywhere from 80,000 to one million years ago.
In 2016, NASA's Fermi Gamma-Ray Telescope detected very high-energy light— called gamma rays—coming from the region near HBH 3. This emission may be coming from gas in one of the neighboring star-forming regions, excited by powerful particles emitted by the supernova blast.
The Spitzer Space Telescope is one of NASA's four Great Observatories—along with the Hubble Space Telescope, the Chandra X-ray Observatory and the Compton Gamma-Ray Observatory—and will celebrate its 15th birthday in space on Aug. 25. Spitzer sees the universe in infrared light, which is slightly less energetic than the optical light we can see with our eyes. In this image, taken in March 2010, infrared wavelengths of 3.6 microns have been mapped to blue, and 4.5 microns to red. The white color of the star-forming region is a combination of both wavelengths, while the HBH3 filaments radiate only at the longer 4.5-micron wavelength.
JPL manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at Caltech in Pasadena, California. Spacecraft operations are based at Lockheed Martin Space Systems, Littleton, Colorado. Data are archived at the Infrared Science Archive housed at IPAC at Caltech. Caltech manages JPL for NASA.
More information on Spitzer can be found at its website:
http://www.spitzer.caltech.edu/
Credit: NASA/JPL-Caltech/IPAC
Image Date: March 2010
Release Date: August 2, 2018
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+Lockheed Martin
#NASA #Astronomy #Space #Science #Supernova #Remnant #HBH3 #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Infrared #Telescope #JPL #Caltech #UnitedStates #STEM #Education
August 2, 2018: Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope.
A supernova "remnant" refers to the collective, leftover signs of an exploded star, or supernova. The red filaments in this image belong to a supernova remnant known as HBH 3 that was first observed in 1966 using radio telescopes. Traces of the remnant also radiate optical light. The branches of glowing material are most likely molecular gas that was pummeled by a shockwave generated by the supernova. The energy from the explosion energized the molecules and caused them to radiate infrared light.
The white, cloud-like formation also visible in the image is part of a complex of star-forming regions, simply named W3, W4 and W5. However, those regions extend far beyond the edge of this image. Both the white star-forming regions and the red filaments are approximately 6,400 light years away and lie inside our Milky Way galaxy.
HBH 3 is about 150 light-years in diameter, ranking it amongst the largest known supernova remnants. It is also possibly one of the oldest: Astronomers estimate the original explosion may have happened anywhere from 80,000 to one million years ago.
In 2016, NASA's Fermi Gamma-Ray Telescope detected very high-energy light— called gamma rays—coming from the region near HBH 3. This emission may be coming from gas in one of the neighboring star-forming regions, excited by powerful particles emitted by the supernova blast.
The Spitzer Space Telescope is one of NASA's four Great Observatories—along with the Hubble Space Telescope, the Chandra X-ray Observatory and the Compton Gamma-Ray Observatory—and will celebrate its 15th birthday in space on Aug. 25. Spitzer sees the universe in infrared light, which is slightly less energetic than the optical light we can see with our eyes. In this image, taken in March 2010, infrared wavelengths of 3.6 microns have been mapped to blue, and 4.5 microns to red. The white color of the star-forming region is a combination of both wavelengths, while the HBH3 filaments radiate only at the longer 4.5-micron wavelength.
JPL manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at Caltech in Pasadena, California. Spacecraft operations are based at Lockheed Martin Space Systems, Littleton, Colorado. Data are archived at the Infrared Science Archive housed at IPAC at Caltech. Caltech manages JPL for NASA.
More information on Spitzer can be found at its website:
http://www.spitzer.caltech.edu/
Credit: NASA/JPL-Caltech/IPAC
Image Date: March 2010
Release Date: August 2, 2018
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+Lockheed Martin
#NASA #Astronomy #Space #Science #Supernova #Remnant #HBH3 #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Infrared #Telescope #JPL #Caltech #UnitedStates #STEM #Education
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Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope.
#Spitzer
#Spitzer
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NASA's Spitzer Space Telescope sees remnants of a Supernova #clarksville #clarksvilletn #montgomerycounty #nasa #space #science #supernova #spitzer #cmcss #tennessee
NASA’s Jet Propulsion Laboratory Pasadena, CA – Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA’s Spitzer Space Telescope. A supernova “remnant” refers to the…
NASA’s Jet Propulsion Laboratory Pasadena, CA – Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA’s Spitzer Space Telescope. A supernova “remnant” refers to the…
NASA's Spitzer Space Telescope sees remnants of a Supernova - Clarksville, TN Online
clarksvilleonline.com
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Journey Into The Orion Nebula - 360 Video
Note: Use the mouse to scroll the view on a computer. For full immersion, watch using a virtual reality device and a 360 video player.
This visualization journeys into the famous star-forming region of the Orion Nebula based on an image from the Hubble Space Telescope. This exhilarating trip begins by flying through a layer of gas above the nebula, called the "veil". The descent to the gaseous surface provides an overview of the structure of the region as the winds and radiation from the central cluster have carved out a long "valley" in the cloud.
The massive bright stars are responsible for heating the gas to temperatures at which it glows. Their strong stellar winds also blow back the gas around nearby newly formed stars creating tadpole-shaped structures. Within these objects, called proplyds, planets may be forming inside dark, dusty disks encircling the stars. These young stars can also emit jets of radiation which, in turn, create wispy bow shocks throughout the region. All of these features are found in the Hubble image and have been modeled for this visualization.
Credit: Frank Summers, Greg Bacon, Zolt Levay, Lisa Frattare, Massimo Robberto (STScI)
Acknowledgment: Robert Gendler
Music: "Blizzard (PON I)", Kai Engel, CC BY-NC
Duration: 1 minute, 38 seconds
Release Date: Feb. 6, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Space #Science #Nebula #Orion #M42 #NGC1976 #Visualization #Infrared #Visible #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Telescope #ESA #STScI #Goddard #GSFC #JPL #Caltech #STEM #Public #Education #360Video #HD #Video
Note: Use the mouse to scroll the view on a computer. For full immersion, watch using a virtual reality device and a 360 video player.
This visualization journeys into the famous star-forming region of the Orion Nebula based on an image from the Hubble Space Telescope. This exhilarating trip begins by flying through a layer of gas above the nebula, called the "veil". The descent to the gaseous surface provides an overview of the structure of the region as the winds and radiation from the central cluster have carved out a long "valley" in the cloud.
The massive bright stars are responsible for heating the gas to temperatures at which it glows. Their strong stellar winds also blow back the gas around nearby newly formed stars creating tadpole-shaped structures. Within these objects, called proplyds, planets may be forming inside dark, dusty disks encircling the stars. These young stars can also emit jets of radiation which, in turn, create wispy bow shocks throughout the region. All of these features are found in the Hubble image and have been modeled for this visualization.
Credit: Frank Summers, Greg Bacon, Zolt Levay, Lisa Frattare, Massimo Robberto (STScI)
Acknowledgment: Robert Gendler
Music: "Blizzard (PON I)", Kai Engel, CC BY-NC
Duration: 1 minute, 38 seconds
Release Date: Feb. 6, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Space #Science #Nebula #Orion #M42 #NGC1976 #Visualization #Infrared #Visible #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Telescope #ESA #STScI #Goddard #GSFC #JPL #Caltech #STEM #Public #Education #360Video #HD #Video
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Journey Into The Orion Nebula | Hubble
Earth Distance: 20 light years
This visualization journeys into the famous star-forming region of the Orion Nebula based on an image from the Hubble Space Telescope. This exhilarating trip begins by flying through a layer of gas above the nebula, called the "veil". The descent to the gaseous surface provides an overview of the structure of the region as the winds and radiation from the central cluster have carved out a long "valley" in the cloud.
The massive bright stars are responsible for heating the gas to temperatures at which it glows. Their strong stellar winds also blow back the gas around nearby newly formed stars creating tadpole-shaped structures. Within these objects, called proplyds, planets may be forming inside dark, dusty disks encircling the stars. These young stars can also emit jets of radiation which, in turn, create wispy bow shocks throughout the region. All of these features are found in the Hubble image and have been modeled for this visualization.
Credit: Frank Summers, Greg Bacon, Zolt Levay, Lisa Frattare, Massimo Robberto (STScI)
Acknowledgment: Robert Gendler
Music: "Blizzard (PON I)", Kai Engel, CC BY-NC
Duration: 1 minute, 38 seconds
Release Date: January 19, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Space #Science #Nebula #Orion #M42 #NGC1976 #Visualization #Infrared #Visible #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Telescope #ESA #STScI #Goddard #GSFC #JPL #Caltech #STEM #Public #Education #Music #HD #Video
Earth Distance: 20 light years
This visualization journeys into the famous star-forming region of the Orion Nebula based on an image from the Hubble Space Telescope. This exhilarating trip begins by flying through a layer of gas above the nebula, called the "veil". The descent to the gaseous surface provides an overview of the structure of the region as the winds and radiation from the central cluster have carved out a long "valley" in the cloud.
The massive bright stars are responsible for heating the gas to temperatures at which it glows. Their strong stellar winds also blow back the gas around nearby newly formed stars creating tadpole-shaped structures. Within these objects, called proplyds, planets may be forming inside dark, dusty disks encircling the stars. These young stars can also emit jets of radiation which, in turn, create wispy bow shocks throughout the region. All of these features are found in the Hubble image and have been modeled for this visualization.
Credit: Frank Summers, Greg Bacon, Zolt Levay, Lisa Frattare, Massimo Robberto (STScI)
Acknowledgment: Robert Gendler
Music: "Blizzard (PON I)", Kai Engel, CC BY-NC
Duration: 1 minute, 38 seconds
Release Date: January 19, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Space #Science #Nebula #Orion #M42 #NGC1976 #Visualization #Infrared #Visible #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Telescope #ESA #STScI #Goddard #GSFC #JPL #Caltech #STEM #Public #Education #Music #HD #Video
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Flight Through The Orion Nebula | Hubble
Visible and Infrared Light: 4K/UHD Visualization
Earth Distance: 20 light years
This visualization explores the Orion Nebula using both visible and infrared light. The sequence begins with a wide-field view of the sky showing the plane of our Milky Way Galaxy, then zooms down to the scale of the Orion Nebula. The visible light observation (from the Hubble Space Telescope) and the infrared light observation (from the Spitzer Space Telescope) are compared first in two-dimensional images, and then in three-dimensional models.
As the camera flies into the star-forming region, the sequence cross-fades back and forth between the visible and infrared views. The glowing gaseous landscape has been illuminated and carved by the high energy radiation and strong stellar winds from the massive hot stars in the central cluster. The infrared observations generally show cooler temperature gas at a deeper layer of the nebula that extends well beyond the visible image. In addition, the infrared showcases many faint stars that shine primarily at longer wavelengths. The higher resolution visible observations show finer details including the wispy bow shocks and tadpole-shaped proplyds. In this manner, the movie illustrates the contrasting features uncovered by multi-wavelength astronomy.
Credit: NASA, ESA, and F. Summers, G. Bacon, Z. Levay, J. DePasquale, L. Hustak, L. Frattare, M. Robberto (STScI), R. Hurt (Caltech/IPAC), M. Kornmesser (ESA), A. Fujii
Acknowledgement: R. Gendler
Music: “Dvorak – Serenade for Strings Op22 in E Major larghetto”, performed by The Advent Chamber Orchestra, CC BY-SA
The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344 ± 20 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across. It has a mass of about 2,000 times that of the Sun.
(Source: Wikipedia)
Credit: NASA/ESA
Duration: 3 minutes, 4 seconds
Release Date: January 11, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Space #Science #Nebula #Orion #M42 #NGC1976 #Visualization #Infrared #Visible #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Telescope #ESA #STScI #Goddard #GSFC #JPL #Caltech #STEM #Public #Education #Music #Dvorak #4K #UltraHD #HD #Video
Visible and Infrared Light: 4K/UHD Visualization
Earth Distance: 20 light years
This visualization explores the Orion Nebula using both visible and infrared light. The sequence begins with a wide-field view of the sky showing the plane of our Milky Way Galaxy, then zooms down to the scale of the Orion Nebula. The visible light observation (from the Hubble Space Telescope) and the infrared light observation (from the Spitzer Space Telescope) are compared first in two-dimensional images, and then in three-dimensional models.
As the camera flies into the star-forming region, the sequence cross-fades back and forth between the visible and infrared views. The glowing gaseous landscape has been illuminated and carved by the high energy radiation and strong stellar winds from the massive hot stars in the central cluster. The infrared observations generally show cooler temperature gas at a deeper layer of the nebula that extends well beyond the visible image. In addition, the infrared showcases many faint stars that shine primarily at longer wavelengths. The higher resolution visible observations show finer details including the wispy bow shocks and tadpole-shaped proplyds. In this manner, the movie illustrates the contrasting features uncovered by multi-wavelength astronomy.
Credit: NASA, ESA, and F. Summers, G. Bacon, Z. Levay, J. DePasquale, L. Hustak, L. Frattare, M. Robberto (STScI), R. Hurt (Caltech/IPAC), M. Kornmesser (ESA), A. Fujii
Acknowledgement: R. Gendler
Music: “Dvorak – Serenade for Strings Op22 in E Major larghetto”, performed by The Advent Chamber Orchestra, CC BY-SA
The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344 ± 20 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across. It has a mass of about 2,000 times that of the Sun.
(Source: Wikipedia)
Credit: NASA/ESA
Duration: 3 minutes, 4 seconds
Release Date: January 11, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Jet Propulsion Laboratory
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Space #Science #Nebula #Orion #M42 #NGC1976 #Visualization #Infrared #Visible #MilkyWay #Galaxy #Cosmos #Universe #Spitzer #Telescope #ESA #STScI #Goddard #GSFC #JPL #Caltech #STEM #Public #Education #Music #Dvorak #4K #UltraHD #HD #Video
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NASA’s Spitzer Maps Climate Patterns on a Super-Earth
Observations from NASA's Spitzer Space Telescope have led to the first temperature map of a super-Earth planet (55 Cancri e) -- a rocky planet nearly two times as big as ours. The map reveals extreme temperature swings from one side of the planet to the other, and hints that a possible reason for this is the presence of lava flows. "Our view of this planet keeps evolving," said Brice Olivier Demory of the University of Cambridge, England, lead author of a new report appearing in the March 30 issue of the journal Nature. "The latest findings tell us the planet has hot nights and significantly hotter days. This indicates the planet inefficiently transports heat around the planet. We propose this could be explained by an atmosphere that would exist only on the day side of the planet, or by lava flows at the planet surface."
Full story here:
http://www.nasa.gov/press-release/nasa-s-spitzer-maps-climate-patterns-on-a-super-earth
More on 55 Cancri e:
https://en.wikipedia.org/wiki/55_Cancri_e
What is an exoplanet?
https://en.wikipedia.org/wiki/Exoplanet
How do we detect exoplanets?
If you have seven minutes and would like an easy and interesting explanation of different techniques (Doppler Technique, Direct Imaging, Light Curves, Transit Timing Variations, Microlensing) to detect planets in other star systems take a look at this video:
https://youtu.be/zFPnOUSdMdc
Image credit: This animated illustration shows one possible scenario for the rocky exoplanet 55 Cancri e, nearly two times the size of Earth. New Spitzer data show that one side of the planet is much hotter than the other – which could be explained by a possible presence of lava pools. NASA/JPL-Caltech
#science #astronomy #55cancrie #exoplanet #spitzer #space #55cnce #spitzerspacetelescope
Observations from NASA's Spitzer Space Telescope have led to the first temperature map of a super-Earth planet (55 Cancri e) -- a rocky planet nearly two times as big as ours. The map reveals extreme temperature swings from one side of the planet to the other, and hints that a possible reason for this is the presence of lava flows. "Our view of this planet keeps evolving," said Brice Olivier Demory of the University of Cambridge, England, lead author of a new report appearing in the March 30 issue of the journal Nature. "The latest findings tell us the planet has hot nights and significantly hotter days. This indicates the planet inefficiently transports heat around the planet. We propose this could be explained by an atmosphere that would exist only on the day side of the planet, or by lava flows at the planet surface."
Full story here:
http://www.nasa.gov/press-release/nasa-s-spitzer-maps-climate-patterns-on-a-super-earth
More on 55 Cancri e:
https://en.wikipedia.org/wiki/55_Cancri_e
What is an exoplanet?
https://en.wikipedia.org/wiki/Exoplanet
How do we detect exoplanets?
If you have seven minutes and would like an easy and interesting explanation of different techniques (Doppler Technique, Direct Imaging, Light Curves, Transit Timing Variations, Microlensing) to detect planets in other star systems take a look at this video:
https://youtu.be/zFPnOUSdMdc
Image credit: This animated illustration shows one possible scenario for the rocky exoplanet 55 Cancri e, nearly two times the size of Earth. New Spitzer data show that one side of the planet is much hotter than the other – which could be explained by a possible presence of lava pools. NASA/JPL-Caltech
#science #astronomy #55cancrie #exoplanet #spitzer #space #55cnce #spitzerspacetelescope
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Flight Through the Orion Nebula—NASA 360 Video
Use a mouse to scroll the view when using a computer. For full immersion, watch using a virtual reality device and a 360 video player.
This visualization explores the Orion Nebula using both visible-light observations from the Hubble Space Telescope and infrared-light observations from the Spitzer Space Telescope. The contrast between visible and infrared views of the nebula is examined using two spatially matched, three-dimensional models. As the camera flies into the star-forming region, the sequence cross-fades back and forth between the visible and infrared views.
The glowing gaseous landscape has been illuminated and carved by the high-energy radiation and strong stellar winds from the massive hot stars in the center of the nebula. The infrared observations generally show cooler gas at a deeper layer of the nebula that extends well beyond the visible image. In addition, the infrared view showcases many faint stars that shine primarily at longer wavelengths. The higher resolution visible observations show finer details including wispy bow shocks and tadpole-shaped protoplanetary disks (or proplyds). In this manner, the video illustrates the contrasting features uncovered by multi-wavelength astronomy.
Credit: NASA, ESA, F. Summers, G. Bacon, Z. Levay, J. DePasquale, L. Hustak, L. Frattare, M. Robberto and M. Gennaro (STScI), R. Hurt (Caltech/IPAC); Acknowledgement: R. Gendler
Music: Dvorak – "Serenade for Strings Op22 in E Major Larghetto", performed by The Advent Chamber Orchestra, CC BY-SA
Duration: 2 minutes, 16 seconds
Release Date: May 16, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Science #Space #Nebula #Orion #Cosmos #Universe #Ultraviolet #Spitzer #Telescope #ESA #STScI #STEM #Education #HD #Visualization #360Video #Video
Use a mouse to scroll the view when using a computer. For full immersion, watch using a virtual reality device and a 360 video player.
This visualization explores the Orion Nebula using both visible-light observations from the Hubble Space Telescope and infrared-light observations from the Spitzer Space Telescope. The contrast between visible and infrared views of the nebula is examined using two spatially matched, three-dimensional models. As the camera flies into the star-forming region, the sequence cross-fades back and forth between the visible and infrared views.
The glowing gaseous landscape has been illuminated and carved by the high-energy radiation and strong stellar winds from the massive hot stars in the center of the nebula. The infrared observations generally show cooler gas at a deeper layer of the nebula that extends well beyond the visible image. In addition, the infrared view showcases many faint stars that shine primarily at longer wavelengths. The higher resolution visible observations show finer details including wispy bow shocks and tadpole-shaped protoplanetary disks (or proplyds). In this manner, the video illustrates the contrasting features uncovered by multi-wavelength astronomy.
Credit: NASA, ESA, F. Summers, G. Bacon, Z. Levay, J. DePasquale, L. Hustak, L. Frattare, M. Robberto and M. Gennaro (STScI), R. Hurt (Caltech/IPAC); Acknowledgement: R. Gendler
Music: Dvorak – "Serenade for Strings Op22 in E Major Larghetto", performed by The Advent Chamber Orchestra, CC BY-SA
Duration: 2 minutes, 16 seconds
Release Date: May 16, 2018
+Hubble Space Telescope
+Spitzer Space Telescope
+NASA Goddard
+European Space Agency, ESA
+Space Telescope Science Institute
#NASA #Hubble #Astronomy #Science #Space #Nebula #Orion #Cosmos #Universe #Ultraviolet #Spitzer #Telescope #ESA #STScI #STEM #Education #HD #Visualization #360Video #Video
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Absolutely amazing!
ASTEROID FLORENCE -- A mountain-size space rock cruised past Earth at 8:06 a.m. EDT (1206 GMT) in September-7th. The roughly 2.7-mile-wide asteroid 3122 "Florence" came within a mere 4.4 million miles of Earth — just 18 times the distance from our planet to the moon.
According to Paul Chodas, manager of the Center for Near-Earth Object Studies at NASA's Jet Propulsion Laboratory in Pasadena, California, only 10 or so asteroids as big as Florence exist in near-Earth space, and, nothing this big has passed this close to Earth since NASA started tracking near earth asteroids. Astronomers have mapped out Florence's orbit well enough to know that it poses no threat to Earth for the next few centuries at least, he stressed. But if something as big as Florence did hit us, it will be catastrophic, since scientists regard any impactor at least 0.6 miles, or 1 km, across as a potential civilization-ender, and Florence is estimated to be 2.7 miles wide, which is based on infrared observations by NASA's Spitzer Space Telescope.
#NASA #Spitzer #Florence
According to Paul Chodas, manager of the Center for Near-Earth Object Studies at NASA's Jet Propulsion Laboratory in Pasadena, California, only 10 or so asteroids as big as Florence exist in near-Earth space, and, nothing this big has passed this close to Earth since NASA started tracking near earth asteroids. Astronomers have mapped out Florence's orbit well enough to know that it poses no threat to Earth for the next few centuries at least, he stressed. But if something as big as Florence did hit us, it will be catastrophic, since scientists regard any impactor at least 0.6 miles, or 1 km, across as a potential civilization-ender, and Florence is estimated to be 2.7 miles wide, which is based on infrared observations by NASA's Spitzer Space Telescope.
#NASA #Spitzer #Florence
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A colorful Crab Nebula (NGC 1952)
In this composite image made from data acquired by the Karl G. Jansky Very Large Array (VLA, radio data colored in red), NASA’s Spitzer Space Telescope (infrared, yellow), the NASA/ESA Hubble Space Telescope (optical wavelengths, green), ESA’s XMM-Newton telescope (ultraviolet radiation, blue) and NASA’s Chandra X-ray Observatory (X-ray, purple), you can see the Crab Nebula (Messier 1, NGC 1952) and the Crab Pulsar.
The young neutron star at its center is a remnant of the supernova SN 1054 (https://goo.gl/zPsvdM), which was observed on Earth in the year 1054. The nebula and pulsar are located in the constellation of Taurus (The Bull, https://goo.gl/9FLfn0), about 6,500 light-years away from Earth.
While only about 20 kilometers in diameter the Crab Pulsar is about 40 percent more massive than our Sun and its pulsar "beams" rotate once every 33 milliseconds, or 30 times each second. The strong radiation of the pulsar is driving the pulsar wind nebula (https://goo.gl/IATIk) surrounding it.
The Crab Nebula got its name from the Anglo-Irish astronomer William Parsons, 3rd Earl of Rosse (https://goo.gl/9U9KGN), who observed the object in 1840 and whose drawing of the nebula looked like a crab. (https://archive.org/stream/jstor-108366/108366#page/n5/mode/2up)
More information here:
https://www.spacetelescope.org/images/potw1720a/
https://en.wikipedia.org/wiki/Crab_Nebula
https://en.wikipedia.org/wiki/Crab_Pulsar
Take a look here for a video of the Crab Nebula in different wavelengths:
https://www.spacetelescope.org/videos/potw1720a/
It is a very fascinating and colorful image, showing the Crab Nebula over big parts of the electromagnetic spectrum. If you want to learn more about colors in astrophotography and why objects can look so different you should read this article I wrote for PhotographingSpace:
https://photographingspace.com/ap-color/
And if you want to learn more about the different kinds of nebulae you should read:
https://photographingspace.com/what-are-nebulae/
What is a pulsar (pulsating radio star)?
A pulsar is a type of neutron star, those are extremely dense and massive stars made up almost entirely of neutrons.They are the result of a gravitational collapse of a massive star following a supernova. Pulsars are highly magnetized and have short rotational periods. They are emitting beams of electromagnetic radiation which, when oriented in a way so a beam is facing Earth, can be detected. Because pulsars are rotating this beam rotates in an out of view resulting in a pulsating signal. More information here:
https://en.wikipedia.org/wiki/Pulsar
https://en.wikipedia.org/wiki/Neutron_star
https://en.wikipedia.org/wiki/Supernova#Core_collapse
More on supernova remnants:
https://en.wikipedia.org/wiki/Supernova_remnant
Image credit: Crab Nebula NASA, ESA, G. Dubner (IAFE, CONICET-University of Buenos Aires) et al.; A. Loll et al.; T. Temim et al.; F. Seward et al.; VLA/NRAO/AUI/NSF; Chandra/CXC; Spitzer/JPL-Caltech; XMM-Newton/ESA; and Hubble/STScI https://goo.gl/IOmR7A
Thank you for your interest in this Astronomy/Astrophysics collection. Maybe add me on Google+ (+Pierre Markuse) and Twitter (https://twitter.com/Pierre_Markuse) or have a look at the Space/Space Technology collection here: https://goo.gl/5KP0wx
#science #astronomy #crabnebula #supernovaremnant #pulsar #ngc1952 #space #hubble #hst #spitzer #chandra #vla #xmmnewton
In this composite image made from data acquired by the Karl G. Jansky Very Large Array (VLA, radio data colored in red), NASA’s Spitzer Space Telescope (infrared, yellow), the NASA/ESA Hubble Space Telescope (optical wavelengths, green), ESA’s XMM-Newton telescope (ultraviolet radiation, blue) and NASA’s Chandra X-ray Observatory (X-ray, purple), you can see the Crab Nebula (Messier 1, NGC 1952) and the Crab Pulsar.
The young neutron star at its center is a remnant of the supernova SN 1054 (https://goo.gl/zPsvdM), which was observed on Earth in the year 1054. The nebula and pulsar are located in the constellation of Taurus (The Bull, https://goo.gl/9FLfn0), about 6,500 light-years away from Earth.
While only about 20 kilometers in diameter the Crab Pulsar is about 40 percent more massive than our Sun and its pulsar "beams" rotate once every 33 milliseconds, or 30 times each second. The strong radiation of the pulsar is driving the pulsar wind nebula (https://goo.gl/IATIk) surrounding it.
The Crab Nebula got its name from the Anglo-Irish astronomer William Parsons, 3rd Earl of Rosse (https://goo.gl/9U9KGN), who observed the object in 1840 and whose drawing of the nebula looked like a crab. (https://archive.org/stream/jstor-108366/108366#page/n5/mode/2up)
More information here:
https://www.spacetelescope.org/images/potw1720a/
https://en.wikipedia.org/wiki/Crab_Nebula
https://en.wikipedia.org/wiki/Crab_Pulsar
Take a look here for a video of the Crab Nebula in different wavelengths:
https://www.spacetelescope.org/videos/potw1720a/
It is a very fascinating and colorful image, showing the Crab Nebula over big parts of the electromagnetic spectrum. If you want to learn more about colors in astrophotography and why objects can look so different you should read this article I wrote for PhotographingSpace:
https://photographingspace.com/ap-color/
And if you want to learn more about the different kinds of nebulae you should read:
https://photographingspace.com/what-are-nebulae/
What is a pulsar (pulsating radio star)?
A pulsar is a type of neutron star, those are extremely dense and massive stars made up almost entirely of neutrons.They are the result of a gravitational collapse of a massive star following a supernova. Pulsars are highly magnetized and have short rotational periods. They are emitting beams of electromagnetic radiation which, when oriented in a way so a beam is facing Earth, can be detected. Because pulsars are rotating this beam rotates in an out of view resulting in a pulsating signal. More information here:
https://en.wikipedia.org/wiki/Pulsar
https://en.wikipedia.org/wiki/Neutron_star
https://en.wikipedia.org/wiki/Supernova#Core_collapse
More on supernova remnants:
https://en.wikipedia.org/wiki/Supernova_remnant
Image credit: Crab Nebula NASA, ESA, G. Dubner (IAFE, CONICET-University of Buenos Aires) et al.; A. Loll et al.; T. Temim et al.; F. Seward et al.; VLA/NRAO/AUI/NSF; Chandra/CXC; Spitzer/JPL-Caltech; XMM-Newton/ESA; and Hubble/STScI https://goo.gl/IOmR7A
Thank you for your interest in this Astronomy/Astrophysics collection. Maybe add me on Google+ (+Pierre Markuse) and Twitter (https://twitter.com/Pierre_Markuse) or have a look at the Space/Space Technology collection here: https://goo.gl/5KP0wx
#science #astronomy #crabnebula #supernovaremnant #pulsar #ngc1952 #space #hubble #hst #spitzer #chandra #vla #xmmnewton
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