Astronomy Picture of the Day



Venus Just After Sunset

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#84082 by @ 02.02.2006 00:00 - nach oben -
Venus Just After Sunset


Explanation:
Is that Venus or an airplane?

A common ponderable for
sky enthusiasts is deciding if that bright spot
near the horizon is the planet
Venus.

Usually, an airplane will show itself by moving significantly in a few moments.

Venus will set only slowly as the
Earth turns.

Still, the identification would be easier if Venus did not keep
shifting its position each night.

Pictured above,
Venus was captured 38 different nights during 2005 and 2006 over
Bursa,
Turkey, when
Earth's sister planet appeared exclusively in the evening sky.

The average spacing of the images was about five days, while the images
were always taken with the Sun about 7 degrees below the horizon.

Venus' orbit
around the Sun will now confine it to Earth's
morning sky until October 2006.




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