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Hot Topic Solar System Meteorites, Comets and Asteroids
Astronomers Calculate Origins of Russian Meteor
Topic: Meteorites, Comets and Asteroids
A team of reseearchers have used triangulation and two videos to determine the origins of the space rock that exploded over Russia.

Target: Asteroid Didymos
Topic: Meteorites, Comets and Asteroids
A target has been selected for the proposed Asteroid Impact and Deflection Assessment mission (AIDA). AIDA will intercept Didymos as the asteroid makes its closest approach to Earth in 2022.

Russian Meteor Created a Huge Infrasonic Blast
Topic: Meteorites, Comets and Asteroids
Infrasonic waves from the meteor that broke up over Russia’s Ural mountains last week were the largest ever recorded by the Comprehensive Nuclear-Test-Ban Treaty Organization's International Monitoring System.

Radar Movie of Asteroid Flyby
Topic: Meteorites, Comets and Asteroids
NASA scientists have released an initial sequence of radar images of asteroid 2012 DA14 that was obtained on the night of Feb. 15/16, 2013 using the Deep Space Network antenna.

In Memoriam: David McKay
Topic: Meteorites, Comets and Asteroids
Dr. David S. McKay passed away peacefully in his sleep in the early morning hours of February 20th, 2013. He was 77.

Asteroid 2012 DA14 Speeds Away From Earth
Topic: Meteorites, Comets and Asteroids
As the asteroid 2012 DA14 passed close to Earth on February 15th, astronomers watched the flyby with numerous telescopes.

An Asteroid Alert System
Topic: Meteorites, Comets and Asteroids
Astronomers are developing a new system to identify dangerous asteroids before their final plunge to Earth. The asteroid detection system that will patrol the visible sky twice a night looking for faint objects moving through space.

The Russian Meteorite
Topic: Meteorites, Comets and Asteroids
A worldwide network of sensors has been used to gather new information about the object that entered Earth's atmosphere and disintegrated over Siberia on February 15th. The object was unrelated to the asteroid 2012 DA14, which hours later made its flyby of Earth.

Vaporizing Threatening Asteroids
Topic: Meteorites, Comets and Asteroids
Scientists have proposed a system that could eliminate the threat of asteroids that are roughly half the size of a football field. The process would take only an hour. The system also could destroy asteroids 10 times larger in about a year.

NASA Mission Will Estimate Asteroid Impact Hazard
Topic: Meteorites, Comets and Asteroids
NASA's OSIRIS-REx mission will take the most precise measurements of how warmth from the Sun can ultimately push asteroids and change their orbits. The data will help astrobiologists understand the risk of an asteroid collision with Earth in the future.

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