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Optical/Infrared Telescopes Follow Gravitational Waves to Treasure

October 16, 2017

Astronomers have tracked down the source of a gravitational wave and discovered the first observed kilonova: a nuclear furnace 100 million times brighter than the Sun producing thousands of times the entire mass of the Earth in heavy elements such as precious metals...

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Surface Helium Detonation Spells End for White Dwarf

Surface Helium Detonation Spells End for White Dwarf

October 4, 2017

An international team of researchers has found evidence that the brightest stellar explosions in our Universe could be triggered by helium nuclear detonation near the surface of a white dwarf star. Using Hyper Suprime-Cam mounted on the Subaru Telescope, the team detected a type Ia supernova within a day after the explosion, and explained its behavior through a model calculated using the supercomputer ATERUI...

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