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Astronomy Picture of the Day
Earth from Saturn
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#94344
by
[z]Barbara Harris
@
28.09.2006 00:00
- nach oben -
Earth from Saturn
Explanation: What's that pale blue dot in this image taken from Saturn?
Earth
. The
robotic Cassini spacecraft
looked back toward its old home world earlier this month as it orbited
Saturn
. Using Saturn itself to block the
bright Sun
, Cassini imaged a faint dot on the right of the
above photograph
. That dot is expanded on the image inset, where a slight elongation in the direction of
Earth's Moon
is
visible
. Vast water oceans make Earth's reflection of sunlight
somewhat blue
. Earth is home to
over six billion humans
and over 100
octillion
Prochlorococcus
.
Credit & Copyright