News tagged with comet tempel 1

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Deep Impact spacecraft completes rocket burn

(Phys.org)—NASA's Deep Impact spacecraft completed a firing of its onboard rocket motors earlier today. The maneuver began at 1 p.m. PDT (4 p.m. EDT), lasted 71 seconds, and changed its velocity by 4.5 mph (2 meters per ...

dateOct 05, 2012 in Space Exploration
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Comet Hartley 2

(PhysOrg.com) -- The comet Hartley 2 is a relatively small and elongated comet - only about 0.6 x 0.4 kilometers in size. It orbits the sun every 6.46 years, getting as close to it as 1.05 astronomical units (the Earth is ...

dateJun 15, 2011 in Astronomy
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The two faces of Tempel 1

(PhysOrg.com) -- Just one year before its Feb. 14 encounter with comet Tempel 1, NASA's Stardust spacecraft performed the largest rocket burn of its extended life. With the spacecraft on the opposite side of the solar system ...

dateFeb 14, 2011 in Space Exploration
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