Moon

 

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.

Astronomy Picture of the Day: December's Comet Wirtanen

Coming close in mid-December, Comet 46P Wirtanen hangs in this starry sky over the bell tower of a Romanesque church.

Astronomy Picture of the Day: Cetus Galaxies and Supernova

Large spiral galaxy NGC 1055 at top left joins spiral Messier 77 (bottom right) in this cosmic view toward the aquatic constellation Cetus.

Astronomy Picture of the Day: Highlights of the North Winter Sky

What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere.

Astronomy Picture of the Day: Rocket Launch between Mountains

What's happening between those mountains? A rocket is being launched to space.

Astronomy Picture of the Day: Mount Everest Star Trails

The highest peak on planet Earth is framed in this mountain and night skyscape.

Astronomy Picture of the Day: Phobos: Doomed Moon of Mars

This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic.

Astronomy Picture of the Day: Shipwreck at Moonset

A crescent Moon is about to sink under the western horizon in this sea and night skyscape.

Astronomy Picture of the Day: Gibbous Moon beyond Swedish Mountain

This is a gibbous Moon. More Earthlings are familiar with a full moon, when the entire face of Luna is lit by the Sun, and a crescent moon, when only a sliver of the Moon's face is lit.

Astronomy Picture of the Day: The Tarantula Nebula

The Tarantula Nebula, also known as 30 Doradus, is more than a thousand light-years in diameter, a giant star forming region within nearby satellite galaxy the Large Magellanic Cloud.

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