File:ESOcast 166 Light.webm

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Original file (WebM audio/video file, VP8/Vorbis, length 1 min 13 s, 3,840 × 2,160 pixels, 14.61 Mbps overall, file size: 126.52 MB)

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Astronomers have made the most precise test ever of general relativity outside the Milky Way.

A nearby galaxy acts as a strong gravitational lens, distorting light from a distant galaxy behind it to create an Einstein ring around its centre. By comparing the mass of the lensing galaxy with the curvature of space around it, the astronomers found that gravity on these astronomical length-scales behaves as predicted by general relativity.

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

Directed by: Nico Bartmann.
Editing: Nico Bartmann.
Web and technical support: Mathias André and Raquel Yumi Shida.
Written by: Stephen Molyneux and Richard Hook.
Music: tonelabs (http://www.tonelabs.com).
Footage and photos: ESO, ESA, Hubble, M. Kornmesser, J. Colosimo, ALMA, NRAO, NAOJ, L. Calçada and the Hubble Heiratage Team (STScl/AURA).

Executive producer: Lars Lindberg Christensen.
Date
Source ESOcast 166 Light
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
current19:55, 2 July 20181 min 13 s, 3,840 × 2,160 (126.52 MB)ComputerHotline (talk | contribs)Imported media from https://cdn.eso.org/videos/ultra_hd/eso1819a.mp4

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Transcode status

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Format Bitrate Download Status Encode time
VP9 2160P 13.62 Mbps Completed 07:17, 25 August 2018 20 min 21 s
VP9 1440P 6.48 Mbps Completed 07:06, 25 August 2018 9 min 28 s
VP9 1080P 2.77 Mbps Completed 07:02, 25 August 2018 5 min 41 s
VP9 720P 1.32 Mbps Completed 06:59, 25 August 2018 3 min 9 s
VP9 480P 669 kbps Completed 07:00, 25 August 2018 3 min 38 s
VP9 360P 397 kbps Completed 06:58, 25 August 2018 1 min 36 s
VP9 240P 255 kbps Completed 06:57, 25 August 2018 1 min 32 s
WebM 360P 457 kbps Completed 19:57, 2 July 2018 1 min 17 s
QuickTime 144p (MJPEG) 923 kbps Completed 13:54, 23 October 2024 12 s

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