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Astronomy Picture of the Day: M100: A Grand Design Spiral Galaxy
Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy.
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Astronomy Picture of the Day: Earthrise 1: Historic Image Remastered
"Oh my God! Look at that picture over there! Here's the Earth coming up. Wow is that pretty!"
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Astronomy Picture of the Day: Earthrise: A Video Reconstruction
About 12 seconds into this video, something unusual happens.
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Astronomy Picture of the Day: Methane Bubbles Frozen in Lake Baikal
What are these bubbles frozen into Lake Baikal? Methane. Lake Baikal, a UNESCO World Heritage Site in Russia, is the world's largest (by volume), oldest, and deepest lake, containing over 20% of the world's fresh water.
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Astronomy Picture of the Day: Comet Wirtanen Passes by the Earth
Today Comet Wirtanen passes by the Earth. The kilometer-sized dirty snowball orbits the Sun every 5.4 years, ranging as far out as Jupiter and as close in as the Earth.
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Astronomy Picture of the Day: Geminids and Friends
From a radiant in the constellation of the Twins, the annual Geminid meteor shower rained down on our fair planet this week.
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Astronomy Picture of the Day: 3D Bennu
Put on your red/blue glasses and float next to asteroid 101955 Bennu.
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The Conjunction of the 46p/wirtanen comet, the hyades cluster and the Pleiades cluster
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Astronomy Picture of the Day: Sound and Light Captured by Mars InSight
Your arm on Mars has unusual powers. For one thing it is nearly 2 meters long, has a scoop and grapple built into its hand, and has a camera built into its forearm.
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Astronomy Picture of the Day: Aurora Shimmer, Meteor Flash
Some night skies are serene and passive -- others shimmer and flash. The later, in the form of auroras and meteors, haunted skies over the island of Kvaløya, near Tromsø Norway on 2009 December 13.
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