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Waspie_Dwarf

Oceans May Be Common on Rocky Alien Planets

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Oceans May Be Common on Rocky Alien Planets

Every rocky planet likely develops a liquid-water ocean shortly after forming, suggesting that potentially habitable alien worlds may be common throughout the universe, a prominent scientist says.

The building blocks of rocky planets contain more than enough water to seed oceans, and computer models and Earth's own history suggest such seas should slosh around soon after these worlds' surfaces have cooled down and solidified, said Lindy Elkins-Tanton of the Carnegie Institution for Science in Washington, D.C.

"Habitability is going to be much more common than we had previously thought," Elkins-Tanton said today (March 18) during a talk at the 44th Lunar and Planetary Science Conference in The Woodlands, Texas.

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