5 February 2023
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Soren Meibom

News

Sun-like star shows magnetic field was critical for life on early Earth

16 March 2016 Astronomy Now

Nearly four billion years ago, life arose on Earth. Life appeared because our planet had a rocky surface, liquid water, a blanketing atmosphere and a protective magnetic field. A new study of the young, Sun-like star Kappa Ceti shows that a magnetic field plays a key role in making a planet conducive to life.

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News Headlines

  • 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
  • Webb: Stellar nursery in Carina
    12 July 2022
  • Webb: a ringside seat to galactic mergers and interactions
    12 July 2022
  • Home
  • The Magazine
    • About
    • Current Issue
    • Subscribe
    • Renew Subscription
      • January last issue
      • February last issue
      • March 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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