File:The_crammed_centre_of_Messier_22.jpg
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![File:The crammed centre of Messier 22.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/The_crammed_centre_of_Messier_22.jpg/587px-The_crammed_centre_of_Messier_22.jpg)
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Summary
DescriptionThe crammed centre of Messier 22.jpg |
English: This image shows the centre of the globular cluster Messier 22, also known as M22, as observed by the NASA/ESA Hubble Space Telescope. Globular clusters are spherical collections of densely packed stars, relics of the early years of the Universe, with ages of typically 12 to 13 billion years. This is very old considering that the Universe is only 13.8 billion years old. Messier 22 is one of about 150 globular clusters in the Milky Way and at just 10 000 light-years away it is also one of the closest to Earth. It was discovered in 1665 by Abraham Ihle, making it one of the first globulars ever to be discovered. This is not so surprising as it is one of the brightest globular clusters visible from the northern hemisphere, located in the constellation of Sagittarius, close to the Galactic Bulge — the dense mass of stars at the centre of the Milky Way. The cluster has a diameter of about 70 light-years and, when looking from Earth, appears to take up a patch of sky the size of the full Moon. Despite its relative proximity to us, the light from the stars in the cluster is not as bright as it should be as it is dimmed by dust and gas located between us and the cluster. As they are leftovers from the early Universe, globular clusters are popular study objects for astronomers. M22 in particular has fascinating additional features: six planet-sized objects that are not orbiting a star have been detected in the cluster, it seems to host two black holes, and the cluster is one of only three ever found to host a planetary nebula — a short-lived gaseous shells ejected by massive stars at the ends of their lives. |
Date | |
Source | http://www.spacetelescope.org/images/potw1514a/ |
Author | ESA/Hubble & NASA |
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Attribution: ESA/Hubble
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На цьому зображенні показано центр кульового скупчення Мессьє 22, також відомого як M22, за спостереженням космічного телескопа NASA/ESA Hubble.
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6 April 2015
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:49, 10 September 2023 | ![]() | 4,105 × 4,193 (11.46 MB) | Fabian RRRR | Full resolution |
15:14, 10 April 2015 | ![]() | 1,280 × 1,307 (899 KB) | Jmencisom | User created page with UploadWizard |
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Credit/Provider | ESA/Hubble & NASA |
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Source | ESA/Hubble |
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Date and time of data generation | 10:00, 6 April 2015 |
Software used | Adobe Photoshop CC 2014 (Windows) |
Unique ID of original document | xmp.did:074a85d5-4c4e-a148-b269-9572ec832b3d |
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Contact information |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
IIM version | 4 |