HR 8799 is about 130 light-years from Earth, in the constellation Pegasus. The star is bigger, brighter, and heavier than the Sun. It’s orbited by at least four giant planets, and astronomers have photographed all four of them.
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HR 8799 is about 130 light-years from Earth, in the constellation Pegasus. The star is bigger, brighter, and heavier than the Sun. It’s orbited by at least four giant planets, and astronomers have photographed all four of them.