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Hot Topic Solar System Meteorites, Comets and Asteroids
 
NEOWISE Spots its First Asteroid
Topic: Meteorites, Comets and Asteroids
01/17/14
NASA recently reactivated and renamed the Wide-field Infrared Survey Explorer (WISE) as the NEOWISE mission. The spacecraft is now hunting for potentially hazardous near-Earth objects, and it has spotted its first asteroid.

Fireball Spotted Over Iowa and Minnesota
Topic: Meteorites, Comets and Asteroids
01/10/14
Witnesses described a fireball as bright as the Sun that fragmented into many parts on Thursday evening December 26th.

What Happened to Comet ISON?
Topic: Meteorites, Comets and Asteroids
01/04/14
Astronomers have long known that some comets like it hot. Several of the greatest comets in history have flown close to the sun, puffing themselves up with solar heat, before they became naked-eye wonders in the night sky.

Astrobiology Top 10: The Russian Meteorite
Topic: Meteorites, Comets and Asteroids
12/31/13
As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 3 is the object that entered Earth's atmosphere and disintegrated over Siberia on February 15th.

Astrobiology Top 10: Dwarf Planet Ceres – 'A Game Changer in the Solar System'
Topic: Meteorites, Comets and Asteroids
12/26/13
As 2013 draws to a close, Astrobiology Magazine highlights the year's top stories. At number 8 is NASA's Dawn mission upcoming investigation of the icy dwarf planet Ceres. The closest frozen body to Earth, Ceres may be as promising when it comes to hosting life than the more distant moons of the gas giants. (Originally published on 08/28/13)

Organics Preserved in Ancient Meteorite-Formed Glass
Topic: Meteorites, Comets and Asteroids
12/16/13
Scientists have found organics from Earth's swamp trapped inside glass that had been created by a meteor impact almost a million years ago.

Dawn's Dance with Ceres
Topic: Meteorites, Comets and Asteroids
12/09/13
Managers of NASA's Dawn spacecraft have developed a preliminary schedule for mission operations when the spacecraft reaches the dwarf planet Ceres in early 2015.

Ice on Ceres: 'An Interesting Paradox'
Topic: Meteorites, Comets and Asteroids
12/05/13
Indications that ice makes up a third of the mass of Ceres may make the dwarf planet the most easily explored icy body -- and NASA's Dawn mission is on its way there now.

Comet ISON Defies Expectations
Topic: Meteorites, Comets and Asteroids
12/01/13
When Comet C/2012 S1 ISON rounded the Sun last week, it provided many spectacular surprises for scientists and amateur astronomers alike.

MESSENGER Captures Images of Comets Encke and ISON
Topic: Meteorites, Comets and Asteroids
11/27/13
In a showcase of opportunistic science, NASA's MESSENGER spacecraft at Mercury has captured images of the comets ISON and Encke.

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