File:From toddlers to babies RXC J0032.1+1808.jpg
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Summary
DescriptionFrom toddlers to babies RXC J0032.1+1808.jpg |
English: In the darkness of the distant Universe, galaxies resemble glowing fireflies, flickering candles, charred embers floating up from a bonfire, light bulbs softly shining. This Picture of the Week, captured by the NASA/ESA Hubble Space Telescope, shows a massive group of galaxies bound together by gravity: a cluster named RXC J0032.1+1808.
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. Expected to launch in 2018, the JWST is designed to see in infrared wavelengths, which is exceedingly useful for observing distant objects. As a result of the expansion of the Universe, very distant objects are highly redshifted (their light is shifted towards the redder end of the spectrum) and so infrared telescopes are needed to study them. While Hubble currently has the ability to peer billions of years into the past to see “toddler” galaxies, the JWST will have the capability to study “baby” galaxies, the first galaxies that formed in the Universe. |
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Source | https://www.spacetelescope.org/images/potw1819a/ |
Author | ESA/Hubble & NASA, RELICS |
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7 May 2018
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:04, 7 May 2018 | 6,620 × 6,092 (17.94 MB) | Jmencisom | User created page with UploadWizard |
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Credit/Provider | ESA/Hubble & NASA, RELICS |
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Source | ESA/Hubble |
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Date and time of data generation | 06:00, 7 May 2018 |
Keywords | RXC J0032.1+1808 |
Contact information |
Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
IIM version | 4 |