4 October 2023
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Latest News
  • [ 11 September 2023 ] The Great Square of Pegasus: heralding autumn News
  • [ 18 August 2023 ] New comet predicted to brighten rapidly as it sprints Sunwards News
  • [ 2 August 2023 ] NASA picks up faint carrier signal from Voyager 2 News
  • [ 31 July 2023 ] Razor-sharp test images show Euclid’s instruments performing as expected News
  • [ 31 July 2023 ] NASA loses touch with Voyager 2; waits for craft to ‘phone home’ News
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ultra-luminous X-ray sources

News

Two galaxies collide leaving luminous ring of collapsed stars

7 September 2018 Astronomy Now

Observations of a ring galaxy, the result of a cosmic collision with another galaxy more than 300 million years ago, reveal a necklace-like ring of ultraluminous X-ray sources powered by black holes, neutron stars or both.

News

Chandra samples galactic goulash

27 June 2017 Astronomy Now

What would happen if you took two galaxies and mixed them together over millions of years? A new image including data from NASA’s Chandra X-ray Observatory reveals the cosmic culinary outcome.

News

Winds a quarter the speed of light seen leaving mysterious X-ray binary systems

29 April 2016 Astronomy Now

Two black holes in nearby galaxies have been observed in X-rays by ESA’s XMM-Newton space observatory devouring their companion stars at a rate exceeding classically understood limits, and in the process, kicking out matter into surrounding space at astonishing speeds of around a quarter the speed of light.

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News Headlines

  • The Great Square of Pegasus: heralding autumn
    11 September 2023
  • New comet predicted to brighten rapidly as it sprints Sunwards
    18 August 2023
  • NASA picks up faint carrier signal from Voyager 2
    2 August 2023
  • Razor-sharp test images show Euclid’s instruments performing as expected
    31 July 2023
  • NASA loses touch with Voyager 2; waits for craft to ‘phone home’
    31 July 2023
  • Home
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      • September last issue
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  • AstroFest 2023
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    • DSLR Calc
  • Reviews
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  • Spaceflight Now
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  • Contact Us
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    • Ask Astronomy Now
    • Editorial
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