Lunar

 

Astronomy Picture of the Day: Lunar Eclipse over Cologne Cathedral

Why would a bright full Moon suddenly become dark? Because it entered the shadow of the Earth.

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!"

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.

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: 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: 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: Astronaut Exploring: An Apollo 15 Panorama

What would it be like to explore the Moon? NASA's Apollo missions gave humans just this chance in the late 1960s and early 1970s.

Astronomy Picture of the Day: The Old Moon in the Young Moon's Arms

Tonight the Moon is young again, but this stunning image of a young Moon near the western horizon was taken just after sunset on October 10.

Astronomy Picture of the Day: Mars in the Loop

This composite of images spaced some 5 to 9 days apart, from late April (bottom right) through November 5 (top left), traces the retrograde motion of ruddy-colored Mars through planet Earth's night sky.

Astronomy Picture of the Day: Lunar LOVE

A more creative search by a group of amateur astronomers in the Ehime Prefecture of Shikoku Island, Japan has found lunar L-O-V-E.

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