23 May 2025
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Latest News
  • [ 16 May 2025 ] Universe’s end – sooner rather than later News
  • [ 26 March 2025 ] A faint star will reveal itself as it throws a hissy-fit News
  • [ 24 March 2025 ] Saturn’s Rings to “Disappear” News
  • [ 17 March 2025 ] The Lithium Problem News
  • [ 17 March 2025 ] Discover the many fascinating moons of our Solar System News
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Keck II

News

Massive galaxy discovered made almost entirely of dark matter

26 August 2016 Astronomy Now

An international team of astronomers has discovered a massive galaxy that consists of 99.99 percent dark matter. Even though it is relatively nearby, astronomers had missed the galaxy, named Dragonfly 44, for decades because it is very dim. The galaxy lies about 300 million light-years away in the constellation Coma.

News

Active asteroid spun so fast that it exploded

23 March 2015 Astronomy Now

Astronomers used the 10-metre Keck II telescope in Hawaii to examine a so-called active asteroid, P/2012 F5, that mimics a comet with a tail, but ejects dust like a shot without an obvious reason. The researchers found that it had a very fast spin rate and probably fragmented.

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

  • The Universe
    Universe’s end – sooner rather than later
    16 May 2025
  • T Coronae Borealis
    A faint star will reveal itself as it throws a hissy-fit
    26 March 2025
  • Saturn
    Saturn’s Rings to “Disappear”
    24 March 2025
  • Big Bang
    The Lithium Problem
    17 March 2025
  • Uranus' moon Ariel.
    Discover the many fascinating moons of our Solar System
    17 March 2025
  • Home
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      • July last issue
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  • AstroFest 2025
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    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
    • Subscriptions
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    • Ask Astronomy Now
    • Editorial
    • Advertising

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