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EarthSky
@
earthskyscience
Austin, TX
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Science news, great photos, sky alerts. The EarthSky team has a blast bringing you daily updates on your cosmos and world.
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EarthSky
@earthskyscience
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2 時間 |
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Scared yet? All you need to know about Friday the 13th bit.ly/2IPdfyg
This Friday the 13th comes exactly 13 weeks after 2018's 1st Friday the 13th, in April.The whats, whens and whys of Friday the 13th. pic.twitter.com/Hz0khui73P
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EarthSky
@earthskyscience
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4 時間 |
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How the moon's orbit makes supermoons bit.ly/2KRjUxu
An explanation of why extra-close perigees and extra-far apogees happen at new and full moons. pic.twitter.com/8aMMmkZk83
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EarthSky
@earthskyscience
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6 時間 |
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Today we have the closest new moon of 2018, a supermoon. You won't see it, but Earth's oceans will feel it. Then, 2 weeks from now, we'll have the year's farthest full moon, which will undergo this century's longest lunar eclipse. bit.ly/2mb0bdn pic.twitter.com/3PbO22fxmK
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EarthSky
@earthskyscience
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18 時間 |
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This upcoming solar eclipse - visible fro Australia - will be the 1st Friday the 13th solar eclipse since December, 1974. We won’t have another Friday the 13th solar eclipse until September, 2080. Details: bit.ly/2ztb5ED pic.twitter.com/IDopjj8968
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EarthSky
@earthskyscience
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20 時間 |
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A Friday the 13th solar eclipse - a partial eclipse - happens during the night tonight for the Americas. It's visible from Australia. Details here: bit.ly/2ztb5ED
Image: 2013 partial solar eclipse, seen along the Blue Ridge Parkway in North Carolina, by Yoder Images pic.twitter.com/N5TJHQMU0z
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EarthSky
@earthskyscience
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7月12日 |
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Very bright Venus and fainter Regulus ( in Leo) after sunset. Their conjunction was Monday, but now Regulus is sinking into the sunset glare. Photo from Rhonda Black in Reedsport, Oregon ... looking west toward the Pacific ... pic.twitter.com/aNolgIL86Y
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EarthSky
@earthskyscience
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7月12日 |
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There will be a nearly perfect alignment of the sun, Earth and Pluto when this outer world reaches its yearly opposition today! bit.ly/2N9dma3 Earth transits seen from Pluto are rare. It won’t happen again for 161 years! pic.twitter.com/7v64wTUKlh
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EarthSky
@earthskyscience
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7月12日 |
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Greg Diesel Walck captured this image of yesterday’s sunrise over the Potomac River at Fort Hunt, Virginia on July 11, 2018. He calls this photo Sky and Water Collide. #todaysimage #Julysunrise bit.ly/2N9RXh7 pic.twitter.com/horAA4C4LK
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EarthSky
@earthskyscience
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7月12日 |
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This animation shows Friday's partial solar eclipse - 1st Friday the 13th solar eclipse since 1974 - visible from the southern coast of Australia.
Details: earthsky.org/tonight/friday…
Image via EclipseWise pic.twitter.com/BFisbesUAr
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EarthSky
@earthskyscience
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7月12日 |
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How often are there 3 eclipses in a month? bit.ly/1rvRc2b
In a calendar month, 3 eclipses are rare. But in a lunar month, 3 eclipses are are more common. From 2000-2050, it happens 14 times. pic.twitter.com/5rQsZPjWtS
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EarthSky
@earthskyscience
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7月11日 |
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Tonight … Find Vega and its constellation Lyra bit.ly/12N1PxP
The Summer Triangle consists of 3 bright stars in 3 different constellations. The brightest is Vega in the constellation Lyra. pic.twitter.com/wpeghSil8M
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EarthSky
@earthskyscience
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7月11日 |
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These 2 exoplanets might have seasons and stable climates bit.ly/2N3xOJs
New findings suggest some exoplanets will have stable axial tilts and climates, like Earth. This knowledge will help astronomers search for worlds similar to ours - the long-sought Earth 2.0. pic.twitter.com/1mQPJLq4cM
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EarthSky
@earthskyscience
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7月11日 |
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Century's longest lunar eclipse July 27 bit.ly/2Jaqf1n
It'll be the longest total lunar eclipse of this century, with Mars - at its brightest - nearby. Red moon, red Mars. It doesn't get any better than this.
Photo: Eliot Herman pic.twitter.com/UFsE8tNtH4
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EarthSky
@earthskyscience
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7月11日 |
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Heads up! It's a month of eclipses bit.ly/2L7MV7D
Partial solar eclipse July 13. Total lunar eclipse July 27. Partial solar eclipse August 11.
Photo: Greg Diesel pic.twitter.com/hdIsGNBsFs
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EarthSky
@earthskyscience
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7月11日 |
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Friday the 13th supermoon solar eclipse coming up ... a partial eclipse, seen mainly over the Southern Ocean, between Australia and Antarctica. The Australia coast will see a very skimpy partial eclipse Friday afternoon. Eclipse times here:
bit.ly/2ztb5ED pic.twitter.com/Pjvbj7KEJp
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EarthSky
@earthskyscience
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7月10日 |
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Oh no, although I think some kids might enjoy looking at it with you. It's for adults, though ...
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EarthSky
@earthskyscience
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7月10日 |
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Soon you won't have to get up early! Mars will be rising in the east at sunset by this month's end.
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EarthSky
@earthskyscience
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7月10日 |
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Absolutely. It's true for the whole Earth. One sky ...
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EarthSky
@earthskyscience
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7月10日 |
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Mars is very bright and red now! It’s rising in the east by mid-evening and – for the rest of the night – shines as brightly as Jupiter (which is more to the west) and more brightly than any star. You’ll also notice Mars' red color. Photo: Dennis Chabot
bit.ly/1cg15et pic.twitter.com/SnaMNqmARX
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EarthSky
@earthskyscience
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7月10日 |
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Mars, Mars, Mars! Have you see it yet? Peter Ryan wrote: "I went out to grab a picture of the Milky Way on the coast of Rhode Island over in Newport. I noticed the red dot on the lower left and couldn’t believe my eyes that it was Mars."
More Mars pics: bit.ly/2uoP44q pic.twitter.com/qNfO62Ms2H
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