File:HH30-animated.gif
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HH30-animated.gif (183 × 330 pixel, dimensione del file: 17 KB, tipo MIME: image/gif, ciclico, 3 frame, 1,5 s)
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| Descrizione |
English: Hubble observations of HH 30 show a pair of thin jets streaming away from the center of a dusty disk. The disk, which is over 40 billion miles (64 billion kilometers) in diameter, is seen almost edge-on. Like a thin, dark cloud moving in front of the Sun, the disk blocks any direct view of its central star. All that is seen are the top and bottom sides of the dusty disk reflecting light from the star, like the "silver lining" of a cloud. The jets reveal the hidden star's location. Astronomers are interested in the disk because it is probably similar to the one from which the Sun and the planets in our solar system formed. HH 30's disk and jet show dramatic changes in the six years covered by the time-lapse movie. |
| Fonte | http://www.solarviews.com/cap/ds/vhh30.htm |
| Autore | NASA Hubble Space Telescope/Wide Field and Planetary Camera 2 |
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 | 16:24, 25 mar 2010 | | 183 × 330 (17 KB) | Henrykus | {{Information |Description={{en|1=Hubble observations of HH 30 show a pair of thin jets streaming away from the center of a dusty disk. The disk, which is over 40 billion miles (64 billion kilometers) in diameter, is seen almost edge-on. Like a thin, dark |
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