29 March 2023
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Latest News
  • [ 29 March 2023 ] Supermassive black holes not impressive enough? Try the ultramassive version News
  • [ 28 March 2023 ] James Webb’s infrared vision lets astronomers take an exoplanet’s temperature News
  • [ 27 March 2023 ] NASA gearing up for OSIRIS-REx asteroid sample recovery News
  • [ 23 March 2023 ] A simpler, more mundane explanation for ‘Oumuamua’s strange behaviour News
  • [ 22 March 2023 ] Japanese Hakuto-R moon lander slips into lunar orbit News
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ESA’s XMM-Newton space observatory

News

X-ray echoes of a shredded star provide close-up of monster black hole

23 June 2016 Astronomy Now

Some 3.9 billion years ago in the heart of a distant galaxy, the intense tidal pull of a monster black hole shredded a star that passed too close. After X-rays produced in this event first reached Earth on 28 March 2011, scientists concluded that the outburst, now known as Swift J1644+57, also represented the sudden flare-up of a previously inactive black hole.

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

  • Supermassive black holes not impressive enough? Try the ultramassive version
    29 March 2023
  • James Webb’s infrared vision lets astronomers take an exoplanet’s temperature
    28 March 2023
  • NASA gearing up for OSIRIS-REx asteroid sample recovery
    27 March 2023
  • A simpler, more mundane explanation for ‘Oumuamua’s strange behaviour
    23 March 2023
  • Japanese Hakuto-R moon lander slips into lunar orbit
    22 March 2023
  • Home
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      • March last issue
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