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Astronomers detected 1 642 energetic short radio signals from source FRB 121102. New information could provide clues to the origin of mysterious FRB signals. The data comes from chinese telescope FAST.
Astronomers led by Byeong-Cheol Lee have made a groundbreaking discovery, detecting a brown dwarf orbiting the red giant HD 18438. With a radius of 89 times that of the Sun, HD 18438 is now the largest known star to be orbited by an exoplanet or brown dwarf.