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Astronomy Picture of the Day
The Drifts of Mars
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#81602
by
[z]Barbara Harris
@
09.11.2005 00:00
- nach oben -
The Drifts of Mars
Explanation:
What would it be like to walk across Mars?
The robot
Opportunity rover
is currently experiencing what it is like to
roll across part of the red planet.
It's not always easy -- the rover is being instructed to dodge the deeper
drifts of dark sand
.
During its exploration of
Erebus Crater
, the rover stopped and took the
above picture
.
Inside this part of
Erebus Crater
,
the surface of mars is covered not only by dark
sand
but also
light outcrops of rock
.
Scattered across the exposed rock are numerous small round pebbles known as
blueberries
.
Typically smaller than
marbles
, these unexpected and
unusual rocks
likely formed by
accretion
in an ancient wet environment.
Also visible are some strange protruding edges known as
razorbacks
.
The
above image
was taken early last month.
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