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Hot Topic Solar System Meteorites, Comets and Asteroids
B612 Foundation Earth Day Impact Video
Topic: Meteorites, Comets and Asteroids
Summary: Between 2000 and 2013, a network of sensors detected 26 explosions on Earth ranging in energy from 1-600 kilotons - all caused not by nuclear explosions, but rather by asteroid impacts.

An Ancient Impact that Dwarfs K-T
Topic: Meteorites, Comets and Asteroids
Summary: Scientists have identified a 3.26 billion-year-old impact crater that has a diameter up to two and a half times larger than the Chicxulub crater.

First Ring System Around Asteroid
Topic: Meteorites, Comets and Asteroids
Summary: Scientists have discovered that the remote asteroid Chariklo is surrounded by two dense and narrow rings. The origin of these rings remains a mystery, but they may be the result of a collision that created a disc of debris.

Be an Asteroid Hunter in NASA's First Asteroid Grand Challenge Contest Series
Topic: Meteorites, Comets and Asteroids
Summary: NASA's Asteroid Data Hunter contest series will offer $35,000 in awards over the next six months to citizen scientists who develop improved algorithms that can be used to identify asteroids.

Evidence of Water in a Meteorite Raises Mars Life Questions
Topic: Meteorites, Comets and Asteroids
Summary: Scientists have found evidence that ancient water movement in a martian meteorite. The finding is reviving a debate over life on Mars.

Ask NASA Meteor Experts Your Questions
Topic: Meteorites, Comets and Asteroids
Summary: NASA meteor and fireball experts Dr. Bill Cooke, Danielle Moser and Rhiannon Blaauw will answer questions on beginning at 1 p.m. CST Thursday, March 6, on the Reddit "IAmA" forum.

A Rare Form of Nitrogen on Comet ISON
Topic: Meteorites, Comets and Asteroids
Summary: While observing the bright outburst from Comet ISON in November 2013, astronomers detected a relatively rare isotope of Nitrogen. The findings are helping astrobiologists understand the composition of the solar nebula from which the planets of our solar system formed.

Astronomers Spot Record-Breaking Lunar Impact
Topic: Meteorites, Comets and Asteroids
Summary: A meteorite with the mass of a small car crashed into the Moon last September.

Anatomy of an Asteroid
Topic: Meteorites, Comets and Asteroids
Summary: A new study shows that the internal structure of asteroids can be surprisingly varied. The work was based on precise measurements of the asteroid Itokawa.

Herschel Telescope Detects Water on Dwarf Planet Ceres
Topic: Meteorites, Comets and Asteroids
Summary: Scientists using the Herschel space observatory have made the first definitive detection of water vapor on the largest and roundest object in the asteroid belt, Ceres.

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