globular clusters

Phil Plait Bad Astronomy hst_m3_m13
Want to slow aging? Gently fuse hydrogen all over your surface
Phil Plait
Sep 8, 2021
Trending on SYFY WIRE in globular clusters
Tag: Bad Astronomy
Tag: Hubble Space Telescope
Tag: Messier catalog
Tag: Milky Way Galaxy
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This star cluster is slowly being taken over by black holes. In a billion years they’ll kill it.
Phil Plait
Jul 7, 2021
Philip Plait Bad Astronomy Palomar 5 Skyview
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Wait: Do black holes *really* swarm in the core of globular cluster NGC 6397?
Phil Plait
May 20, 2021
Artwork based on a real Hubble observation of NGC 6397 showing black holes swarming in its core. Credit: ESA/Hubble, N. Bartmann / modified slightly by Phil Plait
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Tag: Black Holes
Black holes swarm in the core of a globular cluster
Phil Plait
Feb 12, 2021
Artwork based on a real Hubble observation of NGC 6397 showing black holes swarming in its core. Credit: ESA/Hubble, N. Bartmann
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Tag: Black Holes
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Tag: Andromeda galaxy
An ancient star city circles our galactic twin. In fact... it's *too* ancient
Phil Plait
Dec 2, 2020
The globular cluster RBC EXT8 (inset, left) orbits the Andromeda galaxy (right) and may be one of the oldest known such clusters. Credit: ESASky and CFHT
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Astronomers see the Milky Way eating one of its own
Phil Plait
Oct 19, 2020
M92, a globular cluster about 27,000 light years from Earth. Credit: ESA/Hubble & NASA Acknowledgement: Gilles Chapdelaine
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The Phoenix star stream, remnant of a long-dead stellar city
Phil Plait
Aug 12, 2020
Artwork depicting the Phoenix stream circling the Milky Way (left), and some of the old red stars that were once members of the parent globular cluster that got torn apart to make the stream (right). Credit: James Josephides (Swinburne Astronomy Productio
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How to make a massive star cluster: Start with a lot of gas. A *lot*.
Phil Plait
May 5, 2020
Detail of Hubble image of the globular cluster M22. Credit: ESA/Hubble & NASA
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Star clusters can disrupt planetary systems, tossing planets into black holes
Phil Plait
Feb 11, 2020
Artwork of a black hole in the final stages of devouring a star. In globular clusters, they may eat rogue planets as well. Credit: NASA/JPL-Caltech
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Tag: Hubble Space Telescope
A globular cluster for the new year: M22
Phil Plait
Jan 1, 2020
Detail of Hubble image of the globular cluster M22. Credit: ESA/Hubble & NASA
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Tag: Andromeda galaxy
The Andromeda Galaxy ate its small friends… twice
Phil Plait
Oct 9, 2019
The Andromeda Galaxy grew by eating smaller galaxies. Credit: Local Group Survey Team and T.A. Rector (University of Alaska Anchorage) / Phil Plait
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Downtown Sagittarius is a busy place
Phil Plait
May 27, 2019
A Hubble image of a region of the sky in Sagittarius reveals thousands of stars of all different colors. Credit: ESA/Hubble & NASA
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What is the Milky Way’s most distant globular cluster?
Phil Plait
May 9, 2019
A Hubble image of PSO J174.0675-10.8774 goes much deeper and has higher resolution than ground-based images, showing more stars. Credit: NASA/ESA/Hubble and Judy Schmidt
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Tag: galaxies
Gaia: The sky is littered with undigested galaxies
Phil Plait
Apr 22, 2019
Stars in some of the stellar streams recently discovered using Gaia data superposed on a map of the galaxy. Credit: ESA/Gaia/DPAC
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Hubble's view of the globular cluster M2: It's full of (weird) stars
Phil Plait
Apr 9, 2019
The core of the globular cluster M2 is packed with stars. Credit: ESA/Hubble & NASA, G. Piotto et al.
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The imperfect perfection of the star cluster NGC 1898
Phil Plait
Mar 11, 2019
A close-up of the reddish splotch in the globular cluster NGC 1898. Credit: ESA/Hubble & NASA
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Tag: star clusters