File:Creation of absorption lines.webm

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Original file (WebM audio/video file, VP8/Vorbis, length 43 s, 1,920 × 1,080 pixels, 2.1 Mbps overall, file size: 10.71 MB)

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English: Astronomers can find traces of the composition of an exoplanets atmosphere in the light of its parent star, if the planet is in transit. Each chemical element in the atmosphere of the exoplanet blocks light of the star at specific wavelengths — creating absorption lines in the spectrum of the star. This way astronomers can identify the presence of specific atoms and molecules — like oxygen and water — on the exoplanet.
Date
Source Creation of absorption lines
Author ESA/Hubble, M. Kornmesser
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This file is licensed under the Creative Commons Attribution 4.0 International license.
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File history

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Date/TimeThumbnailDimensionsUserComment
current06:33, 20 March 201843 s, 1,920 × 1,080 (10.71 MB)ComputerHotline (talk | contribs)Imported media from https://cdn.spacetelescope.org/archives/videos/hd_1080p25_screen/hubblecast102c.mp4

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Format Bitrate Download Status Encode time
VP9 1080P 1.67 Mbps Completed 22:47, 22 August 2018 2 min 12 s
VP9 720P 731 kbps Completed 22:46, 22 August 2018 1 min 9 s
VP9 480P 365 kbps Completed 22:46, 22 August 2018 52 s
VP9 360P 188 kbps Completed 22:45, 22 August 2018 35 s
VP9 240P 106 kbps Completed 22:45, 22 August 2018 28 s
WebM 360P 375 kbps Completed 06:34, 20 March 2018 28 s
QuickTime 144p (MJPEG) 999 kbps Completed 05:39, 10 October 2024 3.0 s

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