Astronomy Picture of the Day
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September 26, 1995
Star Trails in Southern Skies
photograph by David Malin
As the Earth spins on its axis, the sky seems to rotate around us. This
motion produces the beautiful concentric arcs traced out by the stars in this
time exposure of the night sky. In the foreground of the picture
is the dome of the
in central New South Wales Australia. In the middle of the picture is the
South Celestial Pole, easily identified as the point in the sky
at the centre of all the star trail arcs.
Tomorrow's picture: A Venus Landing
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