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Astronomy Picture of the Day
Venus' Once Molten Surface
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#71749
by
[z]Barbara Harris
@
11.04.2005 00:00
- nach oben -
Venus' Once Molten Surface
Explanation:
If you could look at Venus with
radar
eyes - this is what you might see.
This computer reconstruction of the surface of
Venus
was created from data from the
Magellan
spacecraft.
Magellan
orbited
Venus
and used
radar
to map our
neighboring planet
's surface between 1990 and 1994.
Magellan
found many interesting surface features,
including the
large circular domes
,
typically 25-kilometers across, that are
depicted above
.
Volcanism
is thought to have created the
domes
, although the precise mechanism remains unknown.
Venus
' surface is so hot and
hostile that no
surface probe
has lasted more than a few minutes.
Credit & Copyright