File:Dark matter simulation.jpg
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Dettagli
| Descrizione |
English: These computer simulations show a swarm of dark matter clumps around our Milky Way galaxy. Some of the dark-matter concentrations are massive enough to spark star formation. Thousands of clumps of dark matter coexist with our Milky Way galaxy, shown in the center of the top panel. The green blobs in the middle panel are those dark-matter chunks massive enough to obtain gas from the intergalactic medium and trigger ongoing star formation, eventually creating dwarf galaxies. In the bottom panel, the red blobs are ultra-faint dwarf galaxies that stopped forming stars long ago |
| Data | |
| Fonte | http://www.nasa.gov/mission_pages/hubble/science/ghost-galaxies.html |
| Autore | NASA, ESA, and T. Brown and J. Tumlinson (STScI) |
Licenza
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This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag. |
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| Data/Ora | Miniatura | Dimensioni | Utente | Commento | |
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| attuale | 13:40, 11 set 2012 | | 554 × 937 (214 KB) | Stas1995 | User created page with UploadWizard |
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