A planet needs to start with a lot of water to become like Earth

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The saccharine spot is location betwixt 3 and 8 times each nan h2o successful Earth’s oceans

An illustration of a satellite pinch bluish watery oceans, reddish land, and an atmosphere, seen from above

Not each satellite will extremity up pinch this Earthlike combo of h2o and land.

Mark Garlick/Science Photo Library/Getty Images Plus

In satellite formation, arsenic successful poker, you person to play nan manus you’re dealt. If an Earthlike satellite is nan goal, nan champion starting manus mightiness incorporate 3 to 8 times each nan h2o successful Earth’s oceans.

“There’s benignant of a saccharine spot,” says Keavin Moore, a planetary intelligence astatine McGill University successful Montreal. Less water, and nan satellite dries out. More water, and it ends up soggy, Moore and colleagues study successful a insubstantial submitted June 28 to arXiv.org.

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