NASA’s Dawn Finds Ceres Covered By Subsurface Ice

Credit: Dawn: NASA
HOUSTON—NASA’s long-running Dawn mission, now orbiting the large main belt asteroid Ceres, has revealed a welcome discovery for those seeking potential astrobiology or resources that could be exploited by future explorers. Ceres’s water ice content is estimated at 17 to 30%. At the upper end, that...
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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