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2001 Mars Odyssey
NASA's Mars Spacecraft Maneuvers to Prepare for Close Comet Flyby

NASA is taking steps to protect its Mars orbiters, while preserving opportunities to gather valuable scientific data, as Comet C/2013 A1 Siding Spring heads toward a close flyby of Mars on Oct. 19.
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Rosetta
Surface Impressions of Rosetta's Comet

Images of Rosetta's target comet resolve structures as small as 330 feet (100 meters) across.
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WISE (NEOWISE)
NEOWISE Spots a Comet That Looked Like an Asteroid

Comet C/2013 UQ4 (Catalina) was originally thought to be an asteroid, but observations by NASA's NEOWISE spacecraft indicate that it's a comet.
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WISE (NEOWISE)
NEOWISE Spots a Comet That Looked Like an Asteroid

Comet C/2013 UQ4 (Catalina) was originally thought to be an asteroid, but observations by NASA's NEOWISE spacecraft indicate that it's a comet.
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Rosetta Spacecraft Approaching Twofold Comet
Rosetta Spacecraft Approaching Twofold Comet

New images obtained by OSIRIS, the onboard scientific imaging system, confirm the body's peculiar shape hinted at in earlier pictures. Comet 67P is obviously different from other comets visited so far.
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New Horizons
New Horizons Only One Year from Pluto

NASA's New Horizons spacecraft is only a year away from Pluto. Researchers are buzzing with anticipation as NASA prepares to encounter a new world for the first time in decades.
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NASA's Next Giant Leap
NASA's Next Giant Leap

The Apollo missions blazed a path for human exploration to the moon and today we are extending that path to near-Earth asteroids, Mars and beyond.
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Comet Pan-STARRS Marches Across the Sky
Comet Pan-STARRS Marches Across the Sky

Comet Pan-STARRS poses with a spiral galaxy in new snapshots from NASA's NEOWISE mission.
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Comet Pan-STARRS Marches Across the Sky
Comet Pan-STARRS Marches Across the Sky

Comet Pan-STARRS poses with a spiral galaxy in new snapshots from NASA's NEOWISE mission.
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Hubble Space Telescope
Hubble to Proceed with Full Search for New Horizons Targets

NASA's Hubble Space Telescope has been given the go-ahead to conduct an intensive search for a suitable outer solar system object that the New Horizons (NH) spacecraft could visit after the probe streaks though the Pluto system in July 2015.
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Upcoming Events
21 Oct 2014 Orionids Meteor Shower Peak
17 Nov 2014 Leonids Meteor Shower Peak
20 Nov 2014 1st Anniversary, FORTIS: Launch
27 Nov 2014 1st Anniversary, SOHO: SOHO Sees Comet ISON in Coronagraphs
13 Dec 2014 Geminids Meteor Shower Peak
23 Dec 2014 15th Anniversary, NEAR Shoemaker: Asteroid Eros Flyby
28 Dec 2014 5th Anniversary, Deep Impact (EPOXI): Distant Earth Flyby 2
20 Jan 2015 1st Anniversary, Rosetta: Rosetta Wakes Up
14 Feb 2015 15th Anniversary, NEAR Shoemaker: Eros Rendezvous
13 Jun 2015 5th Anniversary, Hayabusa: Sample Return to Earth

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