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Super-Earth 55 Cancri e Could Have Thick, Earth-Like Atmosphere
By sci-news.com
A hot, rocky exoplanet called 55 Cancri e likely has an atmosphere thicker than Earth’s, with ingredients that could be similar to those of Earth’s atmosphere, according to a study by researchers from NASA’s Jet Propulsion Laboratory (JPL), Caltech, and the University of California, Berkeley.
This artist’s impression shows the super-Earth 55 Cancri e orbiting the Sun-like star 55 Cancri A. Image credit: NASA / JPL-Caltech.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #Science #Science64
By sci-news.com
A hot, rocky exoplanet called 55 Cancri e likely has an atmosphere thicker than Earth’s, with ingredients that could be similar to those of Earth’s atmosphere, according to a study by researchers from NASA’s Jet Propulsion Laboratory (JPL), Caltech, and the University of California, Berkeley.
This artist’s impression shows the super-Earth 55 Cancri e orbiting the Sun-like star 55 Cancri A. Image credit: NASA / JPL-Caltech.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #Science #Science64
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Nearby Pulsars Shed Light on Origin of Excess Antimatter
By sci-news.com
Astrophysicists using the High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory in Mexico have detected the extended emission of high-energy gamma rays around two nearby middle-aged pulsars, generated by high-energy electrons and their antimatter counterpart, the positrons. The properties of the detected emission cast serious doubt on one possible origin for a mysterious excess of positrons near Earth....
HAWC map for the region around Geminga (about 815 light-years away in the constellation Gemini) and PSR B0656+14 (about 940 light-years away). Image credit: John Pretz.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #Science #Science64
By sci-news.com
Astrophysicists using the High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory in Mexico have detected the extended emission of high-energy gamma rays around two nearby middle-aged pulsars, generated by high-energy electrons and their antimatter counterpart, the positrons. The properties of the detected emission cast serious doubt on one possible origin for a mysterious excess of positrons near Earth....
HAWC map for the region around Geminga (about 815 light-years away in the constellation Gemini) and PSR B0656+14 (about 940 light-years away). Image credit: John Pretz.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #Science #Science64
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Oumuamua is Dark Red, Highly-Elongated Rocky or Metallic Object, Astronomers Say
By sci-news.com
In October 2017, astronomers were surprised by an asteroid that came racing into our Solar System from interstellar space. Now, they have determined that this object, named ’Oumuamua, is unlike anything normally found in the Solar System. It appears to be a dark red, highly-elongated metallic or rocky object, about 1,312 feet (400 m) long.....
This artist’s impression shows the first interstellar asteroid — 1I/2017 U1 (’Oumuamua). Image credit: M. Kornmesser / ESO.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #ESO #Science #Science64
By sci-news.com
In October 2017, astronomers were surprised by an asteroid that came racing into our Solar System from interstellar space. Now, they have determined that this object, named ’Oumuamua, is unlike anything normally found in the Solar System. It appears to be a dark red, highly-elongated metallic or rocky object, about 1,312 feet (400 m) long.....
This artist’s impression shows the first interstellar asteroid — 1I/2017 U1 (’Oumuamua). Image credit: M. Kornmesser / ESO.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #ESO #Science #Science64
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Energetic Cosmic Explosion Discovered
By http://sci-news.com
Astronomers have spotted a new type of extremely energetic cosmic explosion they think originates from a very massive star or the environment of a supermassive black hole. A paper reporting this discovery is published in the journal Nature Astronomy.....
This illustration shows a stream of material from a star as it is being devoured by a supermassive black hole in a tidal disruption flare. Image credit: NASA / JPL-Caltech.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #Science #Science64
By http://sci-news.com
Astronomers have spotted a new type of extremely energetic cosmic explosion they think originates from a very massive star or the environment of a supermassive black hole. A paper reporting this discovery is published in the journal Nature Astronomy.....
This illustration shows a stream of material from a star as it is being devoured by a supermassive black hole in a tidal disruption flare. Image credit: NASA / JPL-Caltech.
#Astronomy #NASA #Hubble #ESA #SETI #ISS #Science #Science64
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France, Japan aim to land probe on Mars moon
#Astronomy #Science #Science64
https://www.google.com/amp/s/phys.org/news/2017-04-france-japan-aim-probe-mars.amp
#Astronomy #Science #Science64
https://www.google.com/amp/s/phys.org/news/2017-04-france-japan-aim-probe-mars.amp
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Latest News About Space Junk and Orbital Debris
#Astronomy #Science #Science64
http://www.space.com/topics/space-junk-orbital-debris-news
#Astronomy #Science #Science64
http://www.space.com/topics/space-junk-orbital-debris-news
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Flares May Threaten Planet Habitability Near Red Dwarfs
#Astronomy #NASA #Science #Science64
This illustration shows a red dwarf star orbited by a hypothetical exoplanet. Credit: NASA/ESA/G. Bacon (STScI)
#Astronomy #NASA #Science #Science64
This illustration shows a red dwarf star orbited by a hypothetical exoplanet. Credit: NASA/ESA/G. Bacon (STScI)
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