13 June 2025
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Carolina Kehrig

News

The dwarf galaxy that reveals the history of the universe

24 March 2015 Astronomy Now

Dwarf galaxy I Zw 18 stands out for its extreme scarcity of heavy elements, a characteristic typical of primeval galaxies. A map of ionised helium in the galaxy has just been published, indicating the presence of peculiar stars similar to the first that ever shone in the universe.

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News Headlines

  • universe
    Is the Hubble Tension Resolved?
    9 June 2025
  • 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
  • Home
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      • July last issue
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  • AstroFest 2025
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    • Almanac
    • Scope Calc
    • DSLR Calc
  • Reviews
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  • Spaceflight Now
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