21 March 2023
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  • [ 23 February 2023 ] Webb images M92, one of the Milky Way’s oldest globular clusters News
  • [ 20 February 2023 ] The Eskimo: observe one of winter’s best planetary nebulae News
  • [ 16 January 2023 ] See all the planets in January News
  • [ 3 September 2022 ] Frank Drake, SETI pioneer, 1930–2022 News
  • [ 24 August 2022 ] Webb images of Jupiter show auroras, rings, moons News
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helium star

News

Thermonuclear supernova ejects Galaxy’s fastest star

7 March 2015 Astronomy Now

Astronomers using the 10-metre Keck II and Pan-STARRS1 telescopes on Hawaii have discovered a Milky Way star travelling at a record 2.7 million miles per hour. Propelled by the thermonuclear detonation of a massive white dwarf companion, this hypervelocity star will escape the gravity of our Galaxy.

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News Headlines

  • Webb images M92, one of the Milky Way’s oldest globular clusters
    23 February 2023
  • The Eskimo: observe one of winter’s best planetary nebulae
    20 February 2023
  • See all the planets in January
    16 January 2023
  • Frank Drake, SETI pioneer, 1930–2022
    3 September 2022
  • Webb images of Jupiter show auroras, rings, moons
    24 August 2022
  • Home
  • The Magazine
    • About
    • Current Issue
    • Subscribe
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      • March last issue
      • April last issue
      • May last issue
  • AstroFest 2023
  • News
  • Observing
    • UK Sky Chart
    • Almanac
    • Scope Calc
    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
    • Subscriptions
    • Your Views
    • Ask Astronomy Now
    • Editorial
    • Advertising

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