Categories: Science

Mystery of ‘impossible’ star resolved by three-body solution


A white dwarf acts as a lens for the light of the star behind it

NASA/JPL-Caltech

The mystery of a star that seemed too small to exist has been solved – by the detection of another star hiding in the same system.

In 2019, astronomers announced the discovery of an unusual system called KIC 8145411 in which a white dwarf – the dull, compact remnant left behind after certain stars exhaust their nuclear fuel – was orbiting a sun-like star every 450 days. The system is a rare example of a self-lensing binary,…



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