9 June 2023
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  • [ 7 June 2023 ] Best evidence yet for second supermassive black hole orbiting more massive companion News
  • [ 6 June 2023 ] New software shows promise for coping with photobombing satellites News
  • [ 1 June 2023 ] Webb spots vast plume of water vapor spewing from Saturn’s moon Enceladus News
  • [ 26 May 2023 ] Seeing the universe in X-rays, optical and infrared, all at once News
  • [ 15 May 2023 ] A record-setting explosion as a supermassive black hole gorges on gas News
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globular clusters

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Searching for hidden black holes in the hearts of densely-packed globular clusters

23 May 2023 Astronomy Now

Some tightly-packed globular clusters show signs of unseen black holes affecting the movements of their stars. Astronomers are using the Hubble Space Telescope to look for evidence of such hidden monsters.

News

Globular cluster mystery may be explained by short-lived ultra-massive suns

13 May 2023 Astronomy Now

Webb telescope observations indicate super-massive stars in an infant galaxy that may explain the elemental abundances in globular clusters.

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Hubble spots an unusual globular cluster that defies accepted models

10 April 2023 Astronomy Now

The Hubble Space Telescope finds a globular cluster with a population of helium-rich red giants that raises questions about currently accepted theories regarding how such clusters form.

News

Webb images M92, one of the Milky Way’s oldest globular clusters

23 February 2023 Astronomy Now

The James Webb Space Telescope provides a powerful new tool – the ability to image cool, low-mass stars in globular clusters like the familiar M92.

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Hubble images a colourful globular cluster in Sagittarius

6 September 2021 Astronomy Now

M22, M13, Omega Centauri and other densely-populated globular clusters get most of the attention, but even sparsely-populated globulars provide rich fodder for the Hubble Space Telescope.

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A frequently rediscovered globular cluster in Scorpius catches Hubble’s eye

13 July 2021 Astronomy Now

The origin of the globular clusters observed in most galaxies remains a mystery, but the vast star swarms provide some of the most stunning sights in the heavens for professional and amateur astronomers alike.

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Another look at the densely packed stars of Omega Centauri

11 June 2021 Astronomy Now

The magnificent Omega Centauri globular cluster is a riveting sight in even small telescopes, but it takes the Hubble Space Telescope to provide the jaw-dropping vista seen here.

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A favourite of amateurs and professionals alike, M13 sits for Hubble portrait

11 May 2021 Astronomy Now

The globular cluster M13 in Hercules, a splendid sight in even modest telescopes, serves up a vast metropolis of stars when imaged by the Hubble Space Telescope.

News

Globular cluster’s remnants suggest a ‘lost generation’

30 July 2020 Astronomy Now

Astronomers find a spread-out stream of stars that may be the remnant of a lost generation of globular clusters.

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Ancient stars concentrated in a huge globular cluster

7 November 2019 Astronomy Now

Globular clusters offer stunning starscapes for amateur astronomers, but the Hubble Space Telescope takes it to another level as seen in this jaw-dropping image of Messier 2 some 55,000 light years from Earth.

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News Headlines

  • Best evidence yet for second supermassive black hole orbiting more massive companion
    7 June 2023
  • New software shows promise for coping with photobombing satellites
    6 June 2023
  • Webb spots vast plume of water vapor spewing from Saturn’s moon Enceladus
    1 June 2023
  • Seeing the universe in X-rays, optical and infrared, all at once
    26 May 2023
  • A record-setting explosion as a supermassive black hole gorges on gas
    15 May 2023
  • Home
  • The Magazine
    • About
    • Current Issue
    • Subscribe
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      • April last issue
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  • AstroFest 2023
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    • UK Sky Chart
    • Almanac
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    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
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    • Ask Astronomy Now
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