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MAVEN
Mars Spacecraft Reveal Comet Flyby Effects on Martian Atmosphere

Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on Oct. 19, have gathered new information about the basic properties of the comet's nucleus and directly detected the effects on the Martian ...
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Rosetta
Rosetta Races Toward Comet Touchdown

After sailing through space for more than 10 years, the European Space Agency's Rosetta spacecraft is now less than a week shy of landing a robotic probe on a comet.
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MAVEN
NASA to Discuss Science Findings of Oct. 19 Comet Flyby of Mars

NASA will host a media teleconference at 9 a.m. PST (noon EST) on Friday, Nov. 7, to provide initial science observations of comet C/2013 A1 Siding Spring's close flyby of Mars and the impact on the Martian atmosphere.
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Rosetta
Rosetta's Comet Scrambling Its Jets

Rosetta's comet destination is beginning to show a clearly visible increase in activity.
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Mars Reconnaissance Orbiter
Mars Orbiter's Spectrometer Shows Oort Comet's Coma

The imaging spectrometer on NASA's Mars Reconnaissance Orbiter has provided an image of the coma surrounding a comet that flew near Mars this week.
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Mars Reconnaissance Orbiter
Mars Orbiter Image Shows Comet Nucleus is Small

A camera on NASA's Mars Reconnaissance Orbiter has taken the highest-resolution image ever made of an Oort Cloud comet, taking advantage of the comet's Mars flyby.
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Mars Exploration Rover: Opportunity
NASA Rover Opportunity Views Comet Near Mars

NASA's Mars Exploration Rover Opportunity caught an image of a celestial visitor -- comet C/2013 A1 Siding Spring -- as the comet approached near to Mars on Oct. 19, 2014.
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Meteors & Meteorites
Orionid Meteor Shower Peak Viewing Available on Ustream

Orionid meteors appear every year around this time when Earth orbits through an area of space littered with debris from the ancient comet. Normally, the shower produces 20 or so meteors per hour.
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Rosetta
Your Chance To Name A Comet Landing Site

ESA invites you to submit a name for Rosetta mission's comet landing site. Winner gets a trip to Germany to attend events related to the comet landing on Nov. 12.
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Rosetta
Rosetta's Comet Landing Site Close Up

A mosaic from the European Space Agency's Rosetta spacecraft shows "Site J," the primary landing site on comet 67P/Churyumov-Gerasimenko for the mission's Philae lander. Rosetta is the first mission to attempt a soft landing on a comet.
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Upcoming Events
22 Dec 2014 Ursids 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
06 Mar 2015 Dawn: Ceres Arrival
13 Jun 2015 5th Anniversary, Hayabusa: Sample Return to Earth
22 Jun 2015 5th Anniversary, Deep Impact (EPOXI): Earth Flyby 3
04 Jul 2015 10th Anniversary, Deep Impact (EPOXI): Comet Tempel 1 Impact
10 Jul 2015 5th Anniversary, Rosetta: Asteroid Lutetia Flyby

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