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Peculiar dead white dwarf star has two faces
  + stars: | 2023-07-24 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +5 min
CNN —Astronomers have made a first-of-its-kind discovery — a white dwarf star with two completely different faces. White dwarfs are burnt remains of dead stars. The newly discovered white dwarf has two sides, one made of hydrogen and the other made of helium. Researchers have nicknamed the star Janus, for the Roman god of transition, which has two faces. “We might have possibly caught one such white dwarf in the act.”As the white dwarf cools over time, the heavier and lighter materials may mix together.
Persons: Janus, , Ilaria Caiazzo, Caiazzo, Neil Gehrels, ” Caiazzo, , K, Miller, James Fuller Organizations: CNN —, California Institute of Technology, Observatory, Gran, Canarias, Keck, Caltech Locations: Canary, Maunakea, Hawaii
Ukraine has accused Russia of deploying missiles made by MMZ Avangard against ground targets since Russia launched what it terms its "special operation" on Feb. 24. "Extreme equipment is used on Russian warships," the complaint said, "in communications systems." "It was necessary to use a cover because the Russian company is blacklisted in the U.S.," one of the people familiar with the shipments said. The executive said he had never heard of Extreme or of DEMZ buying Extreme equipment for itself or on behalf of others. Like MMZ Avangard, United Shipbuilding has been listed as a "blocked" entity by the U.S. Treasury since July 2014.
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