File:ESOcast 145.webm

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Original file ‎(WebM audio/video file, VP8/Vorbis, length 1 min 17 s, 3,840 × 2,160 pixels, 9.92 Mbps overall, file size: 90.91 MB)

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English: The first hexagonal segments for the main mirror of ESO’s Extremely Large Telescope (ELT) have been successfully cast by the German company SCHOTT at their facility in Mainz. These segments will form parts of the ELT’s 39-metre main mirror, which will have 798 segments in total when completed. The ELT will be the largest optical telescope in the world when it sees first light in 2024.

This ESOcast shows the casting of the segments and explains how they form part of the ELT.

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.

Crédit : ESO.

Directed by : Nico Bartmann.
Editing : Nico Bartmann.
Web and technical support : Mathias André and Raquel Yumi Shida.
Written by : Rosa Jesse and Richard Hook.
Music : Music written and performed by: Astral Electronic - Gravity part 3 /New Horizons

Footage and photos : ESO, ACe Consortium, SCHOTT.
Date
Source ESOcast 145 Light: First ELT Main Mirror Segments Successfully Cast (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:
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Date/TimeThumbnailDimensionsUserComment
current07:18, 28 February 20181 min 17 s, 3,840 × 2,160 (90.91 MB)ComputerHotline (talk | contribs)Imported media from https://cdn.eso.org/videos/ultra_hd/eso1801a.mp4

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Format Bitrate Download Status Encode time
VP9 2160P 10.55 Mbps Completed 06:53, 25 August 2018 15 min 45 s
Streaming 2160p (VP9) 10.44 Mbps Completed 10:23, 13 January 2024 7.0 s
VP9 1440P 5.15 Mbps Completed 06:46, 25 August 2018 9 min 21 s
Streaming 1440p (VP9) 5.03 Mbps Completed 14:37, 13 January 2024 13 s
VP9 1080P 2.46 Mbps Completed 06:41, 25 August 2018 5 min 0 s
Streaming 1080p (VP9) 2.35 Mbps Completed 12:06, 6 February 2024 2.0 s
VP9 720P 1.32 Mbps Completed 06:40, 25 August 2018 3 min 5 s
Streaming 720p (VP9) 1.21 Mbps Completed 23:51, 16 March 2024 2.0 s
VP9 480P 755 kbps Completed 06:39, 25 August 2018 2 min 18 s
Streaming 480p (VP9) 644 kbps Completed 03:35, 6 February 2024 1.0 s
VP9 360P 478 kbps Completed 06:38, 25 August 2018 1 min 52 s
Streaming 360p (VP9) 367 kbps Completed 10:07, 7 February 2024 1.0 s
VP9 240P 311 kbps Completed 06:38, 25 August 2018 1 min 26 s
Streaming 240p (VP9) 200 kbps Completed 12:16, 17 December 2023 1.0 s
WebM 360P 553 kbps Completed 07:20, 28 February 2018 1 min 43 s
Streaming 144p (MJPEG) 767 kbps Completed 12:20, 9 November 2023 15 s
Stereo (Opus) 107 kbps Completed 06:42, 22 November 2023 1.0 s
Stereo (MP3) 128 kbps Completed 04:11, 2 November 2023 4.0 s

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