Datoteka:Starburst galaxy NGC 1569 (opo0838a).jpg
Izvor: Hrvatska internetska enciklopedija
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English: This image taken by NASA/ESA Hubble Space Telescope showcases the brilliant core of one of the most active galaxies in our local neighbourhood. The entire core is 5000 light-years wide.The galaxy, called NGC 1569, sparkles with the light from millions of newly formed young stars. NGC 1569 is pumping out stars at a rate that is 100 times faster than the rate observed in our Milky Way Galaxy. This frenzied pace has been almost continuous for the past 100 million years.The core's centrepiece is a grouping of three giant star clusters, each containing more than a million stars. (Two of the clusters are so close they appear as one grouping.) The clusters reside in a large, central cavity. The gas in the cavity has been blown out by the multitude of massive, young stars that already exploded as supernovae. These explosions also triggered a violent flow of gas and particles that is sculpting giant gaseous structures. The sculpted structure at lower right is about 3700 light-years long.Huge bubbles of gas, such as the two at left, appear like floating islands. The largest bubble is about 378 light-years wide and the smallest 119 light-years wide. They are being illuminated by the radiation from the bright, young stars within them. Some of those stars are peaking through their gaseous cocoons.The biggest and brightest objects surrounding the core are stars scattered throughout our Milky Way Galaxy. In contrast, the thousands of tiny white dots in the image are stars in the halo of NGC 1569. The galaxy is 11 million light-years from Earth.A new analysis of NGC 1569 shows that it is one and a half times farther from Earth than astronomers previously thought. The extra distance places the galaxy in the middle of a group of about 10 galaxies centered on the spiral galaxy IC 342. Gravitational interactions among the group's galaxies may be compressing gas in NGC 1569 and igniting the star-birthing frenzy.Hubble's Wide Field Planetary Camera 2 and Advanced Camera for Surveys made the observations of NGC 1569 in September 1999, November 2006, and January 2007. |
| Datum | 20. studenoga 2008. (datum postavljanja) |
| Izvor | Starburst galaxy NGC 1569 |
| Autor | Credit for Advanced Camera Data: NASA, ESA, A. Aloisi (STScI/ESA), J. Mack and A. Grocholski (STScI), M. Sirianni (STScI/ESA), R. van der Marel (STScI), L. Angeretti, D. Romano, and M. Tosi (INAF-OAB), and F. Annibali, L. Greggio, and E. Held (INAF-OAP) Credit for Wide Field Planetary Camera 2 Data: NASA, ESA, P. Shopbell (California Institute of Technology), R. Dufour (Rice University), D. Walter (South Carolina State University, Orangeburg), and A. Wilson (University of Maryland, College Park) |
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Licencija
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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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| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
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| sadašnja | 18:27, 21. veljače 2026. | | 3.258 × 1.960 (3,05 MB) | OptimusPrimeBot | #Spacemedia - Upload of https://cdn.esahubble.org/archives/images/large/opo0838a.jpg via Commons:Spacemedia |
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