A Flower Shaped Rock on Mars
It is one of the more unusual rocks yet found on Mars.
Smaller than a penny, the rock has several appendages that make it look, to some,
like a flower.
Although it would be a major discovery if the rock was truly a fossilized ancient
Martian flower, there are
less spectacular -- and
explanations for its unusual structure.
One theory that has emerged is that the rock is a type of
created by minerals deposited by water in cracks or divisions in existing rock.
These concretions can be compacted together, can be harder and denser than surrounding
rock, and can remain even after the surrounding rock
The flower structure may also be caused by
rock, named Blackthorn Salt, has similarities to
The featured image was taken by the
Curiosity rover on
in late February.
Scientists will continue to study data and images taken of this
-- and similar -- surprising
Review: Last Year in Space Pictures
Authors & editors:
NASA Web Site Statements, Warnings,
NASA Official: Jay Norris.
A service of:
& Michigan Tech. U.
Publications with keywords: Mars
Publications with words: Mars