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Astronomers discover a close new planet – covered in oceans of magma

In a surprise find, astronomers have discovered a planet possibly covered with oceans of magma “right around the corner.”

Thirty-three light years away, “we have a sub-Earth-sized planet that’s slightly larger than Mars and essentially right around the corner, at least on a cosmic scale,” said Kevin Stevenson, a planetary scientist now at the University of Chicago

UCF-1.01 is about 5,200 miles (8,400 kilometers) wide, making about a quarter the volume of Earth. And with a year that lasts only 1.4 Earth days, the new planet’s orbit takes UCF-1.01 searingly close to its star.

“It could be a thousand degrees Fahrenheit [540 degrees Celsius]. That may be hot enough to make an ocean of molten rock.”

Researchers using NASA’s Spitzer Space Telescope essentially stumbled upon the new planet while studying a hot, Neptune-size planet called GJ 436b.

 

Learn more: National Geographic - New Planet Found: Molten “Mars” Is “Right Around the Corner”

 

 

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