|An important threshold on Mars has now been crossed.
Landing in mid-2012, the Curiosity rover is searching for clues of whether
ever have existed on the
Recent findings of Curiosity include evidence for an ancient (but now dried)
freshwater lake, and the
non-detection of the
in the Martian atmosphere.
To continue its investigation, the car-sized rover is on an
expedition to roll up
Mt. Sharp, the central peak of the large crater in which it
Life might have shown preference for
that once ran down the Martian mountain.
Two weeks ago, to avoid more dangerous and
Curiosity was directed to roll across a one-meter high sand dune
that blocked a
useful entrance to Mt. Sharp.
Just after the short trip over
Dingo Gap was successful, the robotic rover took the
above image showing the now-traversed
covered with its wheel tracks.