File:Another artist’s impression of S2's precession effect.webm

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file(WebM audio/video file, VP9/Opus, length 34 s, 1,920 × 1,080 pixels, 1.49 Mbps overall, file size: 6.05 MB)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

[edit]
Description Observations made with ESO’s Very Large Telescope (VLT) have revealed for the first time that a star, S2, orbiting the supermassive black hole at the centre of the Milky Way moves just as predicted by Einstein’s theory of general relativity. Most stars and planets have a non-circular orbit and therefore move closer and further away from the object they are rotating around. S2’s orbit precesses, meaning that the location of its closest point to the supermassive black hole changes with each turn, such that the next orbit is rotated with regard to the previous one, creating a rosette shape. This effect, known as Schwarzschild precession, had never before been measured for a star around a supermassive black hole.
Date
Source European Southern Observatory
Author MPE / TWENTYTWO Film

Licensing

[edit]
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.
w:en:Creative Commons
attribution
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.
This file, which was originally posted to European Southern Observatory, was reviewed on 10 May 2020 by reviewer Green Giant, who confirmed that it was available there under the stated license on that date.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current19:35, 10 May 202034 s, 1,920 × 1,080 (6.05 MB)Acagastya (talk | contribs)Imported media from uploads:66b5ea92-92e7-11ea-ad46-162e1bb092a6

The following page uses this file:

Transcode status

Update transcode status
Format Bitrate Download Status Encode time
VP9 1080P 1.36 Mbps Completed 19:37, 10 May 2020 1 min 48 s
Streaming 1080p (VP9) 1.36 Mbps Completed 20:00, 16 January 2024 2.0 s
VP9 720P 755 kbps Completed 19:36, 10 May 2020 1 min 5 s
Streaming 720p (VP9) 751 kbps Completed 13:47, 25 January 2024 1.0 s
VP9 480P 426 kbps Completed 19:36, 10 May 2020 41 s
Streaming 480p (VP9) 422 kbps Completed 06:24, 18 December 2023 1.0 s
VP9 360P 258 kbps Completed 19:36, 10 May 2020 29 s
Streaming 360p (VP9) 254 kbps Completed 03:32, 12 January 2024 1.0 s
VP9 240P 141 kbps Completed 19:36, 10 May 2020 26 s
Streaming 240p (VP9) 137 kbps Completed 05:20, 12 December 2023 2.0 s
WebM 360P 517 kbps Completed 19:36, 10 May 2020 28 s
Streaming 144p (MJPEG) 572 kbps Completed 08:37, 30 October 2023 4.0 s
Stereo (Opus) 2 kbps Completed 07:39, 15 November 2023 1.0 s
Stereo (MP3) 128 kbps Completed 16:19, 29 October 2023 1.0 s

Metadata