Astronomy Picture of the Day

Earth at Twilight

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#74891 by @ 12.06.2005 00:00 - nach oben -
Earth at Twilight


No sudden, sharp boundary marks the passage of day
into night in
this gorgeous view
of ocean and clouds over our
planet Earth

Instead, the shadow line or
terminator is
diffuse and shows
the gradual transition to darkness we experience as twilight.

With the Sun illuminating the scene from the right,
the cloud tops reflect gently reddened
sunlight filtered
through the dusty troposphere, the lowest layer of the planet's nurturing

A clear high altitude layer,
visible along the dayside's upper edge,
scatters blue
sunlight and fades into the blackness of space.

This picture
actually is a single digital
photograph taken in June
of 2001 from the International Space Station
orbiting at an
altitude of 211
nautical miles.

Credit & Copyright
#75013 by @ 13.06.2005 10:07 - nach oben -
So Bilder verleited Astronautä däzuä Philosofisch z wärdä.