Astronomy Picture of the Day
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If you look carefully enough, you can even see the glow of the
in the opposite direction.
At night this glow is known as
(German for "counter glow"),
and can be seen as a faint glow in an extremely dark sky.
The gegenschein is sunlight back-scattered off small interplanetary
These dust particles are millimeter sized splinters from
and orbit in the
of the planets.
Pictured above, the gegenschein is seen superposed toward the constellation of Pisces.
is distinguished from
high angle of reflection.
During the day, a phenomenon similar to
be seen in reflecting air or clouds opposite the Sun from an airplane.
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