Study Suggests Oort Cloud Comets Delivered Life-Enabling Carbon

Mark Carreau March 08, 2021
Comet
Illustration of a comet from the Oort Cloud as it passes through the inner solar system with dust and gas evaporating into its tail.
Credit: NASA/SOFIA/Lynette Cook
HOUSTON—Comet impacts during the Solar System’s planet-forming period about 4.5 billion years ago may have delivered the carbon essential for life to the rocky planets in the Sun’s habitable zone, according to a new study of the comet Catalina. The Feb. 8 study is entitled “The Coma Dust of Comet C...
Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America's space program through news reporting.

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