File:A gargantuan collision ACT-CL J0102-4915.jpg

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描述	English: In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion Suns — so it’s little wonder that it has earned the nickname of “El Gordo” (“the Fat One” in Spanish)! Known officially as ACT-CLJ0102-4915, it is the largest, hottest, and X-ray brightest galaxy cluster ever discovered in the distant Universe. Galaxy clusters are the largest objects in the Universe that are bound together by gravity. They form over billions of years as smaller groups of galaxies slowly come together. In 2012, observations from ESO’s Very Large Telescope, NASA’s Chandra X-ray Observatory and the Atacama Cosmology Telescope showed that El Gordo is actually composed of two galaxy clusters colliding at millions of kilometres per hour. The formation of galaxy clusters depends heavily on dark matter and dark energy; studying such clusters can therefore help shed light on these elusive phenomena. In 2014, Hubble found that most of El Gordo’s mass is concealed in the form of dark matter. Evidence suggests that El Gordo’s “normal” matter — largely composed of hot gas that is bright in the X-ray wavelength domain — is being torn from the dark matter in the collision. The hot gas is slowing down, while the dark matter is not. This image was taken by Hubble’s Advanced Camera for Surveys and Wide-Field Camera 3 as part of an observing programme called RELICS (Reionization Lensing Cluster Survey). RELICS imaged 41 massive galaxy clusters with the aim of finding the brightest distant galaxies for the forthcoming NASA/ESA/CSA James Webb Space Telescope (JWST) to study.
日期	2018年1月8日, 06:00:00
來源	http://www.spacetelescope.org/images/potw1802a/
作者	ESA/Hubble & NASA, RELICS

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目前	2018年1月8日 (一) 13:13		7,791 × 4,784（15.44 MB）	Jmencisom	User created page with UploadWizard

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埃尔戈尔多星系团

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en.wikipedia.org 的使用狀況
- El Gordo (galaxy cluster)
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- ACT-CL J0102-4915

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製作/提供者	ESA/Hubble & NASA, RELICS
來源	ESA/Hubble
簡稱	A gargantuan collision
影像標題	In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion Suns — so it’s little wonder that it has earned the nickname of “El Gordo” (“the Fat One” in Spanish)! Known officially as ACT-CLJ0102-4915, it is the largest, hottest, and X-ray brightest galaxy cluster ever discovered in the distant Universe. Galaxy clusters are the largest objects in the Universe that are bound together by gravity. They form over billions of years as smaller groups of galaxies slowly come together. In 2012, observations from ESO’s Very Large Telescope, NASA’s Chandra X-ray Observatory and the Atacama Cosmology Telescope showed that El Gordo is actually composed of two galaxy clusters colliding at millions of kilometres per hour. The formation of galaxy clusters depends heavily on dark matter and dark energy; studying such clusters can therefore help shed light on these elusive phenomena. In 2014, Hubble found that most of El Gordo’s mass is concealed in the form of dark matter. Evidence suggests that El Gordo’s “normal” matter — largely composed of hot gas that is bright in the X-ray wavelength domain — is being torn from the dark matter in the collision. The hot gas is slowing down, while the dark matter is not. This image was taken by Hubble’s Advanced Camera for Surveys and Wide-Field Camera 3 as part of an observing programme called RELICS (Reionization Lensing Cluster Survey). RELICS imaged 41 massive galaxy clusters with the aim of finding the brightest distant galaxies for the forthcoming NASA/ESA/CSA James Webb Space Telescope (JWST) to study.
使用條款	Creative Commons Attribution 4.0 International License
資料產生的日期時間	2018年1月8日 (一) 06:00
JPEG 檔案備註	In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion Suns — so it’s little wonder that it has earned the nickname of “El Gordo” (“the Fat One” in Spanish)! Known officially as ACT-CLJ0102-4915, it is the largest, hottest, and X-ray brightest galaxy cluster ever discovered in the distant Universe. Galaxy clusters are the largest objects in the Universe that are bound together by gravity. They form over billions of years as smaller groups of galaxies slowly come together. In 2012, observations from ESO’s Very Large Telescope, NASA’s Chandra X-ray Observatory and the Atacama Cosmology Telescope showed that El Gordo is actually composed of two galaxy clusters colliding at millions of kilometres per hour. The formation of galaxy clusters depends heavily on dark matter and dark energy; studying such clusters can therefore help shed light on these elusive phenomena. In 2014, Hubble found that most of El Gordo’s mass is concealed in the form of dark matter. Evidence suggests that El Gordo’s “normal” matter — largely composed of hot gas that is bright in the X-ray wavelength domain — is being torn from the dark matter in the collision. The hot gas is slowing down, while the dark matter is not. This image was taken by Hubble’s Advanced Camera for Surveys and Wide-Field Camera 3 as part of an observing programme called RELICS (Reionization Lensing Cluster Survey). RELICS imaged 41 massive galaxy clusters with the aim of finding the brightest distant galaxies for the forthcoming NASA/ESA/CSA James Webb Space Telescope (JWST) to study.
關鍵字	ACT-CL J0102-4915
聯絡資訊	http://www.spacetelescope.org Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany
IIM 版本	4

File:A gargantuan collision ACT-CL J0102-4915.jpg

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在此檔案描寫的項目

描繪內容

著作權狀態 ^{繁體中文 (已轉換拼寫)}

有著作權 ^{繁體中文 (已轉換拼寫)}

特許條款

共享創意署名4.0國際

成立或建立時間

8 1 2018

多媒體型式 ^{繁體中文 (已轉換拼寫)}

image/jpeg

校驗和 ^{繁體中文 (已轉換拼寫)}

14441ab4d761bdfd11a0df4c1af55b2b2e5ec1d5

資料大小

16,190,278 位元組

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4,784 像素

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檔案用途

全域檔案使用狀況

詮釋資料

File:A gargantuan collision ACT-CL J0102-4915.jpg

摘要

授權條款

說明

在此檔案描寫的項目

描繪內容

著作權狀態 繁體中文 (已轉換拼寫)

有著作權 繁體中文 (已轉換拼寫)

特許條款

共享創意署名4.0國際

成立或建立時間

8 1 2018

多媒體型式 繁體中文 (已轉換拼寫)

image/jpeg

校驗和 繁體中文 (已轉換拼寫)

14441ab4d761bdfd11a0df4c1af55b2b2e5ec1d5

資料大小

16,190,278 位元組

高度

4,784 像素

闊度

7,791 像素

檔案歷史

檔案用途

全域檔案使用狀況

詮釋資料

著作權狀態 ^{繁體中文 (已轉換拼寫)}

有著作權 ^{繁體中文 (已轉換拼寫)}

多媒體型式 ^{繁體中文 (已轉換拼寫)}

校驗和 ^{繁體中文 (已轉換拼寫)}