A spacecraft's close
NASA's Deep Impact
Scientists are
Researchers hope the
But researchers
"The engineers
Early scientific
Researchers have
Yet, an intriguing
For one thing, the
Hartley 2 is smaller
The comet was
Comets, cyanide
Deep Impact
While jets had been
"This the first
The close encounter
"There are jets
In September, Deep
"That's a
Scientists aren't
"I think some
Going off without
Cheers erupted in
"We couldn't
Deep Impact was on
"That was
Cracking the
Scientists will
If they can learn
While scientists
"It won't be
Deep Impact's
Deep Impact, for its
The $252 million
Deep Impact was
After Deep Impact
Now, Deep Impact is
"NASA's looking
Even if Deep
"In these hard
NASA's broad EPOXI