|What kind of comet is this?
Last week, NASA's robotic
also known as Comet Hartley 2, and
and data that are both strange and fascinating.
EPOXI was near its closest approach -- about 700 kilometers away -- when it snapped the
As expected, the comet has indeed
shown itself to be a tumbling iceberg
orbiting the Sun between Earth and Jupiter.
However, unexpected features on the images have raised many questions.
For example, where are all the craters?
Why is there a large smooth area around the middle?
How much of
Comet Hartley 2
is a loose pile
of dust and ice shards?
Future analyses and comparisons to