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Hot Topic Solar System Meteorites, Comets and Asteroids
Shooting Meteorites in a Barrel
Topic: Meteorites, Comets and Asteroids
High-impact lab experiments simulate whether the building blocks of life could have survived the rough arrival on Earth via meteorite impact.

Comets May Give Life a Hand
Topic: Meteorites, Comets and Asteroids
A comet hitting Earth would seem to bring only death and destruction, but one group is studying how such an impact could promote certain necessary chemical steps in the origin of life. The researchers are focusing on how comet collisions might have influenced the molecular orientation, or handedness, of our planet's biology.

Catastrophic Darkness
Topic: Meteorites, Comets and Asteroids
New studies of mixotrophic algae have shown how such organisms could survive the darkened skies that follow a major asteroid impact. Such studies indicate how life manages to survive after a mass extinction event.

Searching for Meteorites in the Deserts of Oman
Topic: Meteorites, Comets and Asteroids
A group of Swiss geologists, who have conducted systematic meteorite searches in Oman since 2001, recently returned from their latest hunt. Their findings could provide valuable information about the early history of the solar system.

Cometary Life Limit
Topic: Meteorites, Comets and Asteroids
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
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?

Cosmic Collisions
Topic: Meteorites, Comets and Asteroids
Researchers have been using a vast database to show that asteroids are shaped by small impacts over time.

Amino Acids: In Hot Water
Topic: Meteorites, Comets and Asteroids
Meteorites shower the Earth with amino acids. A new project is exploring how long amino acids could survive on asteroids, meteorites, and the early Earth. The results could help scientists pinpoint how and where life on our planet began.

Rethinking Jupiter
Topic: Meteorites, Comets and Asteroids
The planet Jupiter is thought to act as a "cosmic vacuum cleaner," sucking up comets and asteroids that could potentially hit the Earth and endanger all life on our planet. But new research has more closely examined Jupiter's ability to protect the inner solar system, and there are some suprising findings.

STONEs in Space
Topic: Meteorites, Comets and Asteroids
Can life travel from planet to planet? From Astrobiology Magazine, European Edition comes a story about the possibility of Panspermia. This theory says that meteorites could act as miniature spaceships, carrying microorganism passengers. But a new study has found that photosynthetic life probably wouldn´t survive the journey.
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