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Category: In Brief

A Black Hole Feeding on an Ageing Star Powers a Mysterious Microquasar

A new paper by Qin Han and Xiang-Dong Li of Nanjing University, due to be published in the Astrophysical Journal, … More

black holes, Microquasars, SS433, W50

Comets Splitting into Comets, Splitting into Comets…

See that cluster of bright objects in the above image? Those are fragments of a comet called C/2019 Y4 (ATLAS) … More

Comets, hubble, Kreutz sungrazers

The Lives of Long Lasting Lineae

NASA has released this beautiful close up of the rim of a Martian impact crater, taken by the HiRISE camera … More

HiRISE, mars, MRO

ESO Sees a Star’s Orbit Precess Around a Supermassive Black Hole

The European Southern Observatory has observed the way a star’s orbit changes as it circles the supermassive black hole at … More

black holes, Relativity, S2

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The Three Alpha logo is based on a solar eclipse photo by Luc Viatour, which is licensed as CC BY-SA 3.0.

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