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Three Questions About Comet ISON
Three Questions About Comet ISON

Comet ISON will reach its closest approach to the sun on Thanksgiving Day (11/28/13), skimming just 730,000 miles above its surface.
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SOHO
NASA's Solar Observing Fleet to Watch Comet ISON's Journey around the Sun

It began in the Oort cloud, almost a light year away. It has traveled for over a million years. It has almost reached the star that has pulled it steadily forward for so long. On Thanksgiving Day, Nov. 28, 2013, Comet ISON will finally ...
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NASA Releases Comet ISON Images from STEREO
NASA Releases Comet ISON Images from STEREO

Comet ISON entered the field of view of the HI-1 camera on NASA's Solar Terrestrial Relations Observatory, or STEREO, on Nov. 21, 2013, and the comet shows up clearly, appearing to still be intact.
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SOFIA's Target of Opportunity: Comet ISON
SOFIA's Target of Opportunity: Comet ISON

NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) embarked on a "target of opportunity" flight recently that included study of Comet ISON.
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How to Cook a Comet
How to Cook a Comet

A comet's journey through the solar system is perilous and violent.
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A Six-Minute Journey to Study Comet ISON
A Six-Minute Journey to Study Comet ISON

In an example of an extremely tight turnaround, a NASA-funded team has spent six months preparing for a mid-November launch to observe Comet ISON during a six-minute sounding rocket flight.
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Asteroids
Update on Near-Earth Objects

While initial reports from the Minor Planet Center in Cambridge, Mass., categorized object 2013 US10 as a very large near-Earth asteroid, new observations now indicate that it is, in fact, a long-period comet, and it is now designated C/2013 US10.
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Asteroids
Update on Near-Earth Objects

While initial reports from the Minor Planet Center in Cambridge, Mass., categorized object 2013 US10 as a very large near-Earth asteroid, new observations now indicate that it is, in fact, a long-period comet, and it is now designated C/2013 US10.
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MESSENGER
MESSENGER's First Images of Comets Encke and ISON

Of Interest: As the new comet C/2012 S1 (ISON) and the well-known short-period comet 2P/Encke both approach their closest distances to the Sun later this month, they are also passing close to the MESSENGER spacecraft.
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Asteroid Redirect Mission (ARM)
NASA Continues Workshop to Discuss Asteroid Initiative Ideas

NASA has rescheduled its Asteroid Synthesis Workshop, a public forum to examine and synthesize 96 of the ideas submitted to a Request for Information (RFI) about the agency's asteroid initiative. The workshop will be held Nov. 20 - 22.
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22 Dec 2014 Ursids Meteor Shower Peak
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20 Jan 2015 1st Anniversary, Rosetta: Rosetta Wakes Up
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04 Jul 2015 10th Anniversary, Deep Impact (EPOXI): Comet Tempel 1 Impact
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