22 March 2023
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Latest News
  • [ 21 March 2023 ] Analysis of Magellan data shows apparent volcanic activity on Venus News
  • [ 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
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very long baseline interferometry

News

Best ever image of another star’s surface and atmosphere

26 August 2017 Astronomy Now

Using ESO’s Very Large Telescope Interferometer astronomers have constructed the most detailed image ever of a star — the red supergiant star Antares. They have also made the first map of the velocities of material in the atmosphere of a star other than the Sun, revealing unexpected turbulence in Antares’s huge extended atmosphere.

News

NASA explains why 30 June received an extra ‘leap second’

30 June 2015 Astronomy Now

Although we are unaware of it in our everyday lives, the Earth’s rotation is slowing down, so each mean solar day is about 0.002 seconds longer than the last. NASA explains why Tuesday, 30 June 2015, will have an extra second, or “leap” second, added.

News

Planet-sized telescope gives a sharp view into black holes

21 April 2015 Astronomy Now

Astronomers building an Earth-sized virtual telescope capable of photographing the event horizon of the black hole at the centre of our Milky Way have extended their instrument to the South Pole.

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News Headlines

  • Analysis of Magellan data shows apparent volcanic activity on Venus
    21 March 2023
  • 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
  • Home
  • The Magazine
    • About
    • Current Issue
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      • March last issue
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  • AstroFest 2023
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    • 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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