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Hot Topic
Solar System
Meteorites, Comets and Asteroids
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Spitzer Detects Comet Storm in Nearby Solar System
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| Topic: Meteorites, Comets and Asteroids |
10/23/11 |
| Astronomers have discovered signs of icy bodies raining down in an alien solar system. The system resembles our own solar system during the 'Late Heavy Bombardment' - a period that may have brought water and life-forming ingredients to Earth. |
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Meteorite CSI
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| Topic: Meteorites, Comets and Asteroids |
10/19/11 |
| Scientists have forensically reconstructed the impact of a meteorite on Earth and how debris was hurled from the crater to devastate the surrounding region. The study indicates that giant meteorite impacts may mimic the behaviour of large volcanic eruptions. |
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Triple Asteroid Mash-Up
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| Topic: Meteorites, Comets and Asteroids |
10/14/11 |
| Analysis of fragments of a meteorite that landed in Sudan in 2008 show that its parent asteroid was likely formed from the collisions of three different types of asteroids. |
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Proof that Comets Brought Oceans to Earth
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| Topic: Meteorites, Comets and Asteroids |
10/07/11 |
| Scientists have identified 103P/Hartley 2 as the first comet with water similar to Earth's. The findings shed new light on how our planet could have become habitable for life. |
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Comet Hartley 2's Split History
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| Topic: Meteorites, Comets and Asteroids |
10/07/11 |
| New evidence from NASA's Deep Impact spacecraft suggests that the dob-bone shaped comet Hartley 2 may have originally been two comets that collided. |
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The Massive Mountains of Vesta
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| Topic: Meteorites, Comets and Asteroids |
10/04/11 |
| Dawn has revealed that the southern hemisphere of the astroid Vesta boasts one of the largest mountains in the Solar System. |
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WISE Finds Fewer Asteroids Near Earth
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| Topic: Meteorites, Comets and Asteroids |
09/30/11 |
| Observations from NASA's Wide-field Infrared Survey Explorer indicate that there are fewer near-Earth asteroids than previously thought. The findings also indicate that NASA has found more than 90% of the largest near-Earth asteroids. |
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What Kind of Asteroid Killed the Dinosaurs?
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| Topic: Meteorites, Comets and Asteroids |
09/21/11 |
| Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the culprit, keeping the case open on one of Earth's greatest mysteries |
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