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How was NASA able to spot a white dwarf orbiting a red dwarf?

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This allowed the host star to be identified as a red dwarf star located 19,000 light-years away. The Hubble observations allow for the planet's mass to be estimated at 2.6 Jupiter masses. The characteristics of the lensing event show that the planet is in a Jupiter-sized orbit around its parent red star. read more

Where a star ends up at the end of its life depends on the mass it was born with. Stars that have a lot of mass may end their lives as black holes or neutron stars. A low or medium mass star (with mass less than about 8 times the mass of our Sun) will become a white dwarf. read more

Here are couple of artist’s impressions of a surface of the planet orbiting a red dwarf. Since a red dwarf is cooler than the Sun, the orbiting planet has to be closer to it in order to support life as we know it. read more

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