"I'm glad we didn't know those were there. We would have been
Source: Don Brownlee, University of Washington
professor and main scientist on the Stardust Mission. Saturday, the
spacecraft swept within 149 miles of the comet Wild 2, capturing
stunning photographs and dust particles that could shed light on
the origins of the solar system. One of the photos showed five
distinct jets of primordial gas venting from the head of the comet.
Stardust flew through two of them.