File:Potw1507a.tif
Original file (3,730 × 4,070 pixels, file size: 34.72 MB, MIME type: image/tiff, 2 pages)
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Summary[edit]
| Description |
English: Panta rhei — motion in the Milky Way
Some cosmic objects move a little further than others — take the subject of this NASA/ESA Hubble Space Telescope image, a globular cluster of stars known as Palomar 12. Although it currently lies on the outskirts of the Milky Way’s halo, Palomar 12 was not born here. When astronomers first studied this cluster, they were puzzled by its strangely young age when compared to the other clusters in the galaxy. It appeared to be around 30% younger than other Milky Way globulars. Surely if it had been born within our galaxy, it would have sprung to life at a similar time to its cluster companions? A bit more digging revealed that Palomar 12 was actually ripped from its initial home, the Sagittarius Dwarf Elliptical galaxy, around 1.7 billion years ago via tidal interactions between its former home and our galaxy. The dwarf galaxy that Palomar 12 once called home is a satellite galaxy to ours, and closely orbits around us — even occasionally passing through the plane of our galaxy. In fact, it is being slowly torn apart and consumed by the Milky Way. The sparkling stars in this picture were imaged by Hubble’s Advanced Camera for Surveys. Credit: ESA/Hubble & NASA
About the Object Name: Palomar 12 Type: • Milky Way : Star : Grouping : Cluster : Globular • X - Star Clusters Images/Videos Distance: 60000 light years Constellation: Capricornus Colours & filters Band Wavelength Telescope Infrared I 814 nm Hubble Space Telescope ACS Optical V 606 nm Hubble Space Telescope ACS. |
| Date | Release date: 16 February 2015, 10:00 |
| Source | http://www.spacetelescope.org/images/potw1507a/ http://www.spacetelescope.org/static/archives/images/original/potw1507a.tif |
| Author | Credit: ESA/Hubble & NASA |
Licensing[edit]
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ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:18, 16 February 2015 |  | 3,730 × 4,070, 2 pages (34.72 MB) | Fabian RRRR (talk | contribs) | =={{int:filedesc}}== {{Information |description={{en|1=''Panta rhei — motion in the Milky Way Panta rhei is a simplified version of the famous greek philosopher Heraclitus' teachings. It basically means, everything flows. And everything in the Univ... |
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