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Space Exploration Dec 2, 2013

Hubble Telescope best shot at learning comet fate (Update)

NASA said Monday that the Hubble Space Telescope is the best bet for figuring out whether Comet ISON disintegrated during its brush with the sun last week.

Space Exploration Dec 1, 2013

Scientists find signs Comet ISON may have survived flyby of the sun

Has Comet ISON survived its suicidal flyby of the sun? Scientists expected the dirty snowball to break apart as it flew within 730,000 miles of the sun on Thanksgiving, but NASA reported Friday that its nucleus may have survived.

Space Exploration Nov 30, 2013

Did Comet ISON survive? Scientists see tiny hope (Update)

A comet that gained an earthly following because of its bright tail visible from space was initially declared dead after grazing the sun. Now, there is a sliver of hope that Comet ISON may have survived.

Space Exploration Nov 28, 2013

Sun-grazing comet ISON likely broke up (Update)

Once billed as the comet of the century, Comet ISON apparently was no match for the sun.

Space Exploration Nov 27, 2013

Will comet ISON survive its near brush with the Sun?

US astrophysicists are split over what will happen when the comet ISON passes near the sun Thursday, but a majority think it will break apart.

Space Exploration Nov 26, 2013

Comet dances with sun, death; giving mixed signals

Comet ISON is teasing the solar system as it dances with the sun and it's giving astronomers mixed signals.

Space Exploration Nov 24, 2013

Will icy comet survive close encounter with sun?

For months, all eyes in the sky have pointed at the comet that's zooming toward a blisteringly close encounter with the sun.

Space Exploration Nov 22, 2013

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 ...

Space Exploration Nov 22, 2013

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. The lengthy mission was SOFIA's second opportunity to capture data on ...

Space Exploration Nov 14, 2013

NRL-developed telescopes await the approaching comet ISON

When Comet C/2012 S1 (ISON), a so-called Sungrazing comet, sweeps by the Sun on November 28, 2013, telescopes developed by the U.S. Naval Research Laboratory (NRL) will be lined up for a spectacular front row view.

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