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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Ravi Subrahmanyan

News

Pairs of supermassive black holes in galaxies may be rarer than previously thought

22 September 2015 Astronomy Now

There may be fewer pairs of supermassive black holes orbiting each other at the cores of giant galaxies than previously thought, according to a new study. When two massive galaxies harbouring supermassive black holes collide, their black holes ultimately combine — a process that could be the strongest source of elusive gravitational waves, still yet to be directly detected.

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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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  • Spaceflight Now
  • Shop
  • Contact Us
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    • Ask Astronomy Now
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