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SOHO coronagraph

Sundiving Comet Storm
January 12, 2011 - The sun has just experienced a storm—not of explosive flares and hot plasma, but of icy comets. "The storm began on Dec 13th and ended on the 22nd," says Karl Battams of the Naval Research Lab in Washington, DC. "During that time, the Solar and Heliospheric Observatory (SOHO) detected 25 comets diving into the sun. It was crazy!"
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Deep Impact sending a 370-kg impactor into Comet Tempel 1

A Valentine's Day Return to Comet Tempel 1
January 6, 2011 - On February 14, 2011, NASA's Stardust-NExT (New Exploration of Tempel 1) mission will encounter comet Tempel 1, providing a unique opportunity to measure the dust properties of two separate comets (Wild 2 and Tempel 1) with the same instrument for accurate data comparison. The encounter will also provide a comparison between two observations of a single comet, Tempel 1, taken before and after a single orbital pass around the sun.
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Stardust-NExT spacecraft

NASA Spacecraft Burns for Another Comet Flyby
November 22, 2010 - Eighty-six days out from its appointment with a comet, NASA's Stardust spacecraft fired its thrusters to help refine its flight path. The Stardust-NExT mission will fly past comet Tempel 1 next Valentine's Day (Feb. 14, 2011). It will perform NASA's second comet flyby within four months.
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Comet 103/P Hartley 2 and Lambda 14 Cassiopea

NASA Spacecraft Sees Cosmic Snow Storm During Comet Encounter
November 18, 2010 - The EPOXI mission's recent encounter with comet Hartley 2 provided the first images clear enough for scientists to link jets of dust and gas with specific surface features. NASA and other scientists have begun to analyze the images.
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Comet 103/P Hartley 2 and Lambda 14 Cassiopea

Calling All Astronomers: Hartley 2 Approaching Earth
October 1, 2010 - Green comet 103P/Hartley 2 is approaching Earth for a close encounter on Oct. 20th. At that time, the comet will be only 11 million miles (0.12 AU) from our planet and should be dimly visible to the naked eye from dark sky sites.
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