File:Sag A*.jpg
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[muuda]KirjeldusSag A*.jpg |
English: Sagittarius A* Imaged by the Event Horizon Telescope |
Kuupäev | |
Allikas | Astronomers reveal first image of the black hole at the heart of our galaxy (Image link) |
Autor | EHT Collaboration |
Teised versioonid |
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Litsents
[muuda]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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Administraator või usaldusväärne kasutaja Thibaut120094 on selle veebirakendusest https://eventhorizontelescope.org/blog/astronomers-reveal-first-image-black-hole-heart-our-galaxy pärineva pildi üle vaadanud ja kinnitanud, et see on olnud saadaval ülaltoodud litsentsi all. Vaadatud 13. mai 2022
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Kuupäev/kellaaeg | Pisipilt | Mõõtmed | Kasutaja | Kommentaar | |
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viimane | 13. mai 2022, kell 13:07 | 4076 × 4076 (558 KB) | Thibaut120094 (arutelu | kaastöö) | JPEG file from https://cdn.eso.org/images/large/eso2208-eht-mwa.jpg | |
12. mai 2022, kell 13:40 | 4076 × 4076 (558 KB) | The Unsinkable Molly Brown (arutelu | kaastöö) | I've uploaded a full-resolution version of the square-cropped image. | ||
12. mai 2022, kell 13:27 | 2048 × 2048 (94 KB) | Thedubya (arutelu | kaastöö) | Uploaded a work by Event Horizon Telescope from https://pbs.twimg.com/media/FSjyxnJWUAIUhKV.jpg with UploadWizard |
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Päritolu/Annetaja | EHT Collaboration |
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Allikas | European Southern Observatory |
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Andmete loomise kuupäev ja kellaaeg | 12. mai 2022, kell 15:07 |
JPEG-faili kommentaar | This is the first image of Sgr A*, the supermassive black hole at the centre of our galaxy. It’s the first direct visual evidence of the presence of this black hole. It was captured by the Event Horizon Telescope (EHT), an array which linked together eight existing radio observatories across the planet to form a single “Earth-sized” virtual telescope. The telescope is named after the event horizon, the boundary of the black hole beyond which no light can escape. Although we cannot see the event horizon itself, because it cannot emit light, glowing gas orbiting around the black hole reveals a telltale signature: a dark central region (called a shadow) surrounded by a bright ring-like structure. The new view captures light bent by the powerful gravity of the black hole, which is four million times more massive than our Sun. The image of the Sgr A* black hole is an average of the different images the EHT Collaboration has extracted from its 2017 observations. In addition to other facilities, the EHT network of radio observatories that made this image possible includes the Atacama Large Millimeter/submillimeter Array (ALMA) and the Atacama Pathfinder EXperiment (APEX) in the Atacama Desert in Chile, co-owned and co-operated by ESO is a partner on behalf of its member states in Europe. |
Märksõnad | Milky Way Galactic Centre |
Kontaktteave |
Karl-Schwarzschild-Strasse 2 Garching bei München, None, D-85748 Germany |
IIM-i versioon | 4 |
Pärit leheküljelt "https://commons.wikimedia.org/w/index.php?title=File:Sag_A*.jpg&oldid=850827448"