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Tuesday, 25 February 2020

Extremely big and incredibly close: Meet the new Neptune-sized exoplanet G 9–40b


Originally discovered by the Kepler space telescope, G 9–40b has just been confirmed as an exoplanet by a team of Penn State researchers using the Habitable-zone Planet Finder (HPF) located in Texas. This world, G 9–40b, is at least twice as large as Earth, and is likely significantly larger — possibly closer to the size of Neptune. It orbits its parent star just 100 light years from Earth once every five days and 17 hours at a distance of 5,760,000 km (5,580,000 miles), roughly 25 times closer than the distance between the Earth and Sun. “G 9–40b is amongst the…

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