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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Earthshine and Venus Over Sierra de Guadarrama

Explanation: What just above that ridge? The Moon. Specifically, the Earth's Moon was caught just above the horizon in a young crescent phase. The familiar Moon might look a bit odd as the exposure shows significant Earthshine -- the illumination of the part of the Moon hidden from direct sunlight by the sun-reflecting Earth. Also captured in the image is the bright planet Venus on the right. Venus and Jupiter passed only three degrees from each other last week during a photogenic planetary conjunction . The above image was taken two days ago near Madrid , Spain . The foreground horizon silhouette includes some of the Seven Peak s of the Sierra de Guadarrama mountain range. Just a few minutes after this picture was taken, the Moon set.

Conjunction Gallery: See images of the Moon, Venus, and Jupiter together over the past month .

Date March 28, 2012
Credit Image Credit: Daniel Fernndez ( DANIKXT )
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.