8 June 2023
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Latest News
  • [ 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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Roberto Abraham

News

Massive galaxy discovered made almost entirely of dark matter

26 August 2016 Astronomy Now

An international team of astronomers has discovered a massive galaxy that consists of 99.99 percent dark matter. Even though it is relatively nearby, astronomers had missed the galaxy, named Dragonfly 44, for decades because it is very dim. The galaxy lies about 300 million light-years away in the constellation Coma.

News

Dragonfly’s compound ‘eye’ reveals very faint galaxy structure

26 May 2015 Astronomy Now

At CASCA 2015, Roberto Abraham from the University of Toronto describes the first results from the Dragonfly Telephoto Array — an innovative, multi-lens system designed to produce digital images of ultra-low surface brightness objects at visible wavelengths — that is at least ten times more efficient than its nearest rival.

News

‘Fluffiest galaxies’ discovered by Keck Observatory

16 May 2015 Astronomy Now

An international team of researchers have used the W. M. Keck Observatory to confirm the existence of the most diffuse class of galaxies known in the universe. These Ultra Diffuse Galaxies (UDGs) are nearly as wide as our own Milky Way galaxy — about 60,000 light-years — yet harbour only one percent as many stars.

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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
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      • April last issue
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  • AstroFest 2023
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    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
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    • Ask Astronomy Now
    • Editorial
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