Scientists Catch Star And Possible Black Hole In A Rapid, Dangerous Dance
The white dwarf is whizzing around what researchers think is a black hole at an extraordinary speed — at least twice an hour. It is believed to be a star's closest known orbit to a black hole.
În „generația Facebook” sunt și adolescenți pasionaţi de astrofizică | Romania Libera
La Olimpiada Internaţională de Astronomie din Sri Lanka, echipa astronomilor de 16-17 ani de la Observatorul din Galați a obținut medalii de aur, argint și bronz.
Astronomers Find Record-Breaking White-Dwarf-Black-Hole Binary in Globular Cluster 47 Tucanae | Astronomy | Sci-News.com
Using data from the Australia Telescope Compact Array, NASA’s Chandra X-ray Observatory and NuSTAR telescope, a team of astronomers has found evidence for a white dwarf star that whips around a stellar-mass black hole about twice an hour. A paper describing the discovery will be published in the Monthly Notices of the Royal Astronomical Society (arXiv.org preprint).
White dwarf X9 is closest star found orbiting a black hole at astonishing 12 million km/h
Evidence has been discovered of a star orbiting a black hole at just 2½ times the distance between the Earth and moon.