News tagged with terrestrial planets

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Alien earths could form earlier than expected

(Phys.org) -- Building a terrestrial planet requires raw materials that weren't available in the early history of the universe. The Big Bang filled space with hydrogen and helium. Chemical elements like silicon ...

Jun 13, 2012
5 / 5 (6) 5 | with audio podcast

Image: The Milky Way's 100 billion planets

(Phys.org) -- This artist's illustration gives an impression of how common planets are around the stars in the Milky Way. The planets, their orbits and their host stars are all vastly magnified compared to ...

Apr 26, 2012
4.7 / 5 (3) 1

Proposed Mars mission has new name

A proposed Discovery mission concept led by NASA's Jet Propulsion Laboratory, Pasadena, Calif., to investigate the formation and evolution of terrestrial planets by studying the deep interior of Mars now has ...

Feb 28, 2012
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