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Hot Topic Solar System Meteorites, Comets and Asteroids
Noisy NEAs
Topic: Meteorites, Comets and Asteroids
Summary: The upcoming LISA satellite mission is designed to help scientists see warping of the space/time continuum. However, the NASA/ESA mission may also be used by astrobiologists to study the frequency and mass of near-Earth asteroids.

Picking Up the Pieces
Topic: Meteorites, Comets and Asteroids
Summary: Asteroid 2008 TC3 was the first space rock to have been spotted before it came crashing to Earth. On October 7, 2008, it exploded high above the Nubian Desert. Now, nearly 280 pieces of the asteroid have been collected from the deserts of the Sudan and they are unlike anything seen before.

The Secret Life of Amino Acids
Topic: Meteorites, Comets and Asteroids
Summary: NASA scientists studying dust from meteorites have uncovered clues about how life works on its most basic, molecular level. The study shows that biological molecules created in space and delivered to Earth by meteorites may have had a profound effect on the development of life.

Cometary Life Limit
Topic: Meteorites, Comets and Asteroids
Summary: Large debris disks around certain stars may imply a high rate of killer comets that wipe out any chance of life forming in these stellar systems.

Could Life on Earth Have Come From Ceres?
Topic: Meteorites, Comets and Asteroids
Summary: The dwarf planet Ceres is rarely mentioned as a candidate for habitability, but the possible presence of an ocean and hydrothermal vents suggests it is plausible. If life developed on Ceres long ago, could it have seeded the young Earth?

Sizing Up Asteroids
Topic: Meteorites, Comets and Asteroids
Summary: A new technique is allowing astronomers to measure the sizes of small asteroids in the main belt between Mars and Jupiter for the first time. Previously, these asteroids were too small to measure using traditional methods.

Scattering the Seeds of Life
Topic: Meteorites, Comets and Asteroids
Summary: Some astrobiologists think life may have arrived on Earth inside a comet or meteorite. Calling this process "Panspermia" is misguided, says a historian who has studied the evolution of thought about life´s origin.

Keeping an Eye on the Sky
Topic: Meteorites, Comets and Asteroids
Summary: The Catalina Sky Survey, which has discovered 70 percent of all known near Earth objects, is about to begin operating a new telescope. The Mount Lemmon telescope will increase survey productivity, helping to identify potentially hazardous objects like asteroids and comets on collision courses with Earth.

Ancient Asteroid with Earth-like Crust
Topic: Meteorites, Comets and Asteroids
Summary: According to new research, two rare meteorites found in Antarctica are from an ancient asteroid with a crust similar to that of Earth's continents. The samples are the oldest example of rock with such a composition, and shed light on the materials of the early solar system.

Constant Comet Threat
Topic: Meteorites, Comets and Asteroids
Summary: Comet impacts have likely transformed life on Earth, but it is still a mystery how these icy bodies are put on a collision course with our planet. New research says that nearby stars and the galaxy as a whole are to blame.

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