Charles Q. Choi is a contributing writer for Space.com and Live Science. He covers all things human origins and astronomy as well as physics, animals and general science topics. Charles has a Master of Arts degree from the University of Missouri-Columbia, School of Journalism and a Bachelor of Arts degree from the University of South Florida. Charles has visited every continent on Earth, drinking rancid yak butter tea in Lhasa, snorkeling with sea lions in the Galapagos and even climbing an iceberg in Antarctica. Visit him at http://www.sciwriter.us
An illustration of a super-Earth with an atmosphere rich in hydrogen and helium that could host liquid water on its surface.
. For example, super-Earths — rocky planets up to 10 times Earth's mass — are absent in our solar system but very common elsewhere."The exoplanets we detect are so different from the planets in our solar system, and that is a good argument to keep thinking out-of-the-box when it comes to habitability," study lead author Marit Mol Lous, an exoplanet researcher at the University of Zürich, told Space.com.
In the new study, researchers investigated whether a super-Earth enveloped in these gases might prove habitable. If the atmosphere of such a world is massive enough, its hydrogen can serve as a greenhouse gas, trapping heat from the star despite the planet's distance, the scientists noted.
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