Hubble finds four hidden stars just 65 light-years from Earth that astronomers could never see before

Astronomers have directly detected four previously hidden white dwarfs orbiting nearby red dwarf stars, solving a long-standing observational challenge and improving our understanding of how close binary star systems evolve. The newly confirmed stellar remnants lie within 20 parsecs (around 65 light-years) of the Sun and had remained concealed because their faint light was overwhelmed by the much brighter glow of their companion stars.

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