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Hot Topic Solar System Meteorites, Comets and Asteroids
 
Life Falling Back to Earth
Topic: Meteorites, Comets and Asteroids
05/15/08
New research shows that organisms living inside rocks ejected from planets by asteroid impacts may be able to survive their trip into orbit – and back.

Asteroid BB Gun
Topic: Meteorites, Comets and Asteroids
05/10/08
Researchers confirm that asteroid impacts can strike with enough force to liquefy carbon deep in the Earth's crust and eject it skyward to form beads that then blanket the planet. The finding is helping scientists interpret how past impacts effected life on Earth.

Solar System Bounce
Topic: Meteorites, Comets and Asteroids
05/07/08
A new computer model may demonstrate how comets from the outer solar system are sent into the inner solar system where they can impact with planets. The model could also explain why the Earth might have experienced cycles of high impact activity throughout its history.

Osmium Tracks Earth Impacts
Topic: Meteorites, Comets and Asteroids
04/16/08
Scientists have developed a new way of determining the size and frequency of meteorites that have collided with Earth in the past. Their work has provided new information about the impact that may have caused the demise of the dinosaurs.

Meteorites a Rich Source for Primordial Soup
Topic: Meteorites, Comets and Asteroids
03/15/08
A new study shows that meteorites may contain concentrations of amino acids that are ten times higher than levels previously measured. This means the early Solar System was quite rich in the organic building blocks of life, and that fallout from space may have played a role in life's origin on Earth.

Peruvian Fireball
Topic: Meteorites, Comets and Asteroids
03/14/08
In September of last year, an object came crashing down in the Peruvian countryside and captured headlines around the world. Now the object has been identified and is changing our knowledge of stony meteorites.

Asteroid Triple Threat
Topic: Meteorites, Comets and Asteroids
02/19/08
Asteroid 2001 SN263 has now been identified as the first ever near-Earth triple asteroid. Observations of the asteroid triplet are yielding surprising new insights about the asteroid belt between Mars and Jupiter.

A Comet Continuum
Topic: Meteorites, Comets and Asteroids
01/31/08
Contrary to expectations, comet dust returned to Earth by the Stardust mission formed close to the Sun and resembles a meteorite from the asteroid belt rather than an ancient, unaltered comet. The results are now providing new clues about the formation of our Solar System.

Zipping Through the Neighborhood
Topic: Meteorites, Comets and Asteroids
01/27/08
An asteroid is set to make a rare and close flyby of Earth on January 29. It poses no threat to the planet, but may put on a show in the night sky for amateur astronomers.

Impact Made Big Splash
Topic: Meteorites, Comets and Asteroids
01/25/08
New 3D seismic images of the Chicxulub crater may change theories about the KT Extinction Event and the demise of the dinosaurs. The data shows that the crater-forming impact may have been more deadly than previously thought.

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