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[NASA] PASADENA, Calif. – NASA’s EPOXI mission spacecraft successfully flew past comet Hartley 2 at 7 a.m. PDT (10 a.m. EDT) Thursday, Nov. 4. Scientists say initial images from the flyby provide new information about the comet’s volume and material spewing from its surface.
“Early observations of the comet show that, for the first time, we may be able to connect activity to individual features on the nucleus,” said EPOXI Principal Investigator Michael A’Hearn of the University of Maryland, College Park. “We certainly have our hands full. The images are full of great cometary data, and that’s what we hoped for.”
EPOXI is an extended mission that uses the already in-flight Deep Impact spacecraft. Its encounter phase with Hartley 2 began at 1 p.m. PDT (4 p.m. EDT) on Nov. 3, when the spacecraft began to point its two imagers at the comet’s nucleus. Imaging of the nucleus began one hour later.