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File:ESOcast 146 Light.webm

Original file ‎(WebM audio/video file, VP8/Vorbis, length 1 min 20 s, 3,840 × 2,160 pixels, 14.35 Mbps overall, file size: 137.64 MB)

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English: Astronomers using ESO’s MUSE instrument on the Very Large Telescope in Chile have discovered a star in the cluster NGC 3201 that is behaving very strangely. It appears to be orbiting an invisible black hole with about four times the mass of the Sun — the first such inactive stellar-mass black hole found in a globular cluster.

This important discovery impacts on our understanding of the formation of these star clusters, black holes, and the origins of gravitational wave events.

This short ESOcast takes a look at this discovery and its significance.

The video is available in 4K UHD.

The ESOcast Light is a series of short videos bringing you the wonders of the Universe in bite-sized pieces. The ESOcast Light episodes will not be replacing the standard, longer ESOcasts, but complement them with current astronomy news and images in ESO press releases.

Credit:ESO.

Editing: Nico Bartmann.
Web and technical support: Mathias André and Raquel Yumi Shida.
Written by: Rosa Jesse, Nicole Shearer and Richard Hook.
Music: Music written and performed by: John Stanford (johnstanfordmusic.com).
Footage and photos: ESO, Luís Calçada, spaceengine (spaceengine.org).
Directed by: Nico Bartmann.

Executive producer: Lars Lindberg Christensen.
Date
Source ESOcast 146 Light: Odd Behaviour of Star Reveals Black Hole in Giant Star Cluster (4K UHD)
Author ESO
Permission
(Reusing this file)
This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible."
To the uploader: You must provide a link (URL) to the original file and the authorship information if available.
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This file is licensed under the Creative Commons Attribution 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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Date/TimeThumbnailDimensionsUserComment
current09:13, 6 March 20181 min 20 s, 3,840 × 2,160 (137.64 MB)ComputerHotline (talk | contribs)Imported media from https://cdn.eso.org/videos/ultra_hd/eso1802a.mp4

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Format Bitrate Download Status Encode time
VP9 2160P 12.24 Mbps Completed 06:55, 25 August 2018 16 min 57 s
Streaming 2160p (VP9) 12.14 Mbps Completed 10:23, 13 January 2024 7.0 s
VP9 1440P 5.86 Mbps Completed 06:47, 25 August 2018 9 min 35 s
Streaming 1440p (VP9) 5.76 Mbps Completed 14:44, 13 January 2024 5.0 s
VP9 1080P 3 Mbps Completed 06:44, 25 August 2018 6 min 41 s
Streaming 1080p (VP9) 2.9 Mbps Completed 12:06, 6 February 2024 3.0 s
VP9 720P 1.53 Mbps Completed 06:41, 25 August 2018 3 min 37 s
Streaming 720p (VP9) 1.43 Mbps Completed 23:52, 16 March 2024 2.0 s
VP9 480P 849 kbps Completed 06:40, 25 August 2018 2 min 53 s
Streaming 480p (VP9) 749 kbps Completed 03:35, 6 February 2024 1.0 s
VP9 360P 497 kbps Completed 06:39, 25 August 2018 1 min 53 s
Streaming 360p (VP9) 397 kbps Completed 10:08, 7 February 2024 1.0 s
VP9 240P 309 kbps Completed 06:39, 25 August 2018 1 min 40 s
Streaming 240p (VP9) 208 kbps Completed 12:16, 17 December 2023 1.0 s
WebM 360P 472 kbps Completed 09:15, 6 March 2018 1 min 38 s
Streaming 144p (MJPEG) 782 kbps Completed 12:21, 9 November 2023 13 s
Stereo (Opus) 95 kbps Completed 06:43, 22 November 2023 2.0 s
Stereo (MP3) 128 kbps Completed 04:11, 2 November 2023 3.0 s

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