NASA - National Aeronautics and Space Administration

Asteroid and Comet Watch

http://www.nasa.gov/mission_pages/asteroids/main/index.html

Deep Impact: Mission to a Comet

NASA's 2005 mission to collide with a comet and use the debris to study what the comet is made of,

http://www.nasa.gov/mission_pages/deepimpact/main/index.html

About Comets

About Comets,

http://solarsystem.jpl.nasa.gov/planets/profile.cfm?Object=Comets

Images of Asteroids and Comets from the Planetary Photojournal

Images of Asteroids and Comets from the Planetary Photojournal,

http://photojournal.jpl.nasa.gov/target/Other

Links about Asteroids from the National Space Science Data Center

Links about Asteroids from the National Space Science Data Center,

http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-asteroids.html

NASA - Comet PANSTARRS Rises to the Occasion Mid-March

Mar 7, 2013 ... A beautiful comet with a bulky name is making an appearance this month for
lucky sky-watchers in some parts of the world.

NASA - Hubble Captures Comet ISON

Apr 23, 2013 ... This image of Comet ISON was captured April 10, when the comet was slightly
closer to the Sun than Jupiter, 386 million miles, or 394 million ...

NASA - Asteroids and Comets

Artist concept of Solar System. A 3-D environment full of real NASA mission data.
Explore the cosmos from your computer. Hop on an asteroid. Fly with NASA's ...

Hubble Sees Comet ISON - NASA Science

Apr 24, 2013 ... Later this year, Comet ISON is expected to become a naked-eye object when it
skims through the atmosphere of the sun. The Hubble Space ...

A Possible Naked-eye Comet in March - NASA Science

Feb 6, 2013 ... A comet falling in from the distant reaches of the solar system could become a
naked-eye object in early March. This is Comet Pan-STARRS's ...

Comets - Solar System Exploration - NASA

Comets are cosmic snowballs of frozen gases, rock and dust roughly the size of a
small town. When a comet's orbit brings it close to the sun, it heats up and ...

Sunset Comet - NASA Science

Mar 15, 2013 ... Comet Pan-STARRS has survived its encounter with the sun and is now
emerging from twilight in the sunset skies of the northern hemisphere.

Stardust-NExT: JPL NASA Comet Exploration Mission

A new mission called Stardust-NExT will finish the investigation begun in 2005 of
comet Tempel 1. NASA's Stardust Next mission focuses on the exploration of ...

Exploration of Comets - Solar System Exploration

Comet Anatomy. Comet 19P/Borrelly. Comet 9P/Tempel. Comet 67P. Comet
103P/Hartley. Mission. Characteristics. Orbit. General. Specifications. from Kuiper
 ...

Collision Course? A Comet Heads for Mars - NASA Science

Mar 27, 2013 ... A comet is heading for Mars, and there is a chance that it might hit the Red Planet
in October 2014. An impact wouldn't necessarily mean the ...