Astronomy Picture of the Day

zdjęcie New Data: Ultima Thule Surprisingly Flat

New Data: Ultima Thule Surprisingly Flat

Ultima Thule is not the object humanity thought that it was last month. When the robotic New Horizons spacecraft zoomed past the distant asteroid Ultima Thule (officially 2014 MU69) in early January, early images showed two circular lobes that ...

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zdjęcie Venus Unveiled

Venus Unveiled

What does Venus look like beneath its thick clouds? These clouds keep the planet's surface hidden from even the powerful telescopic eyes of Earth-bound astronomers. In the early 1990s, though, using imaging radar, NASA's Venus-orbiting Magellan ...

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zdjęcie Comet Iwamoto and the Sombrero Galaxy

Comet Iwamoto and the Sombrero Galaxy

Comet Iwamoto (C/2018 Y1), shows off a pretty, greenish coma at the upper left in this telescopic field of view. Taken on February 4 from the Mount John Observatory, University of Canterbury, the 30 minute long total exposure time shows the comet ...

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zdjęcie Moon, Four Planets, and Emu

Moon, Four Planets, and Emu

A luminous Milky Way falls toward the horizon in this deep skyscape, starting at the top of the frame from the stars of the Southern Cross and the dark Coalsack Nebula. Captured in the dark predawn of February 2nd from Central Victoria, ...

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zdjęcie Fox Fur, Unicorn, and Christmas Tree

Fox Fur, Unicorn, and Christmas Tree

Clouds of glowing hydrogen gas fill this colorful skyscape in the faint but fanciful constellation Monoceros, the Unicorn. A star forming region cataloged as NGC 2264, the complex jumble of cosmic gas and dust is about 2,700 light-years distant ...

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zdjęcie Moon and Venus Appulse over a Tree

Moon and Venus Appulse over a Tree

What's that bright spot near the Moon? Venus. About a week ago, Earth's Moon appeared unusually close to the distant planet Venus, an angular coincidence known as an appulse. Similar to a conjunction, which is a coordinate term, an appulse refers ...

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zdjęcie Perijove 16: Passing Jupiter

Perijove 16: Passing Jupiter

Watch Juno zoom past Jupiter again. NASA's robotic spacecraft Juno is continuing on its 53-day, highly-elongated orbits around our Solar System's largest planet. The featured video is from perijove 16, the sixteenth time that Juno has passed ...

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zdjęcie Henize 70: A Superbubble in the LMC

Henize 70: A Superbubble in the LMC

Massive stars profoundly affect their galactic environments. Churning and mixing interstellar clouds of gas and dust, stars -- most notably those upwards of tens of times the mass of our Sun -- leave their mark on the compositions and locations ...

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zdjęcie An Airglow Fan from Lake to Sky

An Airglow Fan from Lake to Sky

Why would the sky look like a giant fan? Airglow. The featured intermittent green glow appeared to rise from a lake through the arch of our Milky Way Galaxy, as captured during 2015 next to Bryce Canyon in Utah, USA. The unusual pattern was ...

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zdjęcie LDN 1622: Dark Nebula in Orion

LDN 1622: Dark Nebula in Orion

The silhouette of an intriguing dark nebula inhabits this cosmic scene. Lynds' Dark Nebula (LDN) 1622 appears against a faint background of glowing hydrogen gas only easily seen in long telescopic exposures of the region. LDN 1622 lies near the ...

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