File:Debris disk AU Mic HST.jpg
Vai alla navigazione
Vai alla ricerca
Dimensioni di questa anteprima: 750 × 600 pixel. Altre risoluzioni: 300 × 240 pixel | 600 × 480 pixel | 960 × 768 pixel | 1 280 × 1 024 pixel | 2 560 × 2 048 pixel | 3 000 × 2 400 pixel.
File originale (3 000 × 2 400 pixel, dimensione del file: 498 KB, tipo MIME: image/jpeg)
Dettagli
| Descrizione |
English: The top view, taken with NASA's Hubble Space Telescope, shows light reflected off dust in a debris disk around the young star AU Microscopii. The bottom frame labels features in this image, while the white lines on the disk indicate the light polarization direction.
The image shows the flattened disk, appearing like Saturn's rings, but seen almost exactly edge-on. Normally, starlight would be so bright that the debris disk could not be seen. But astronomers used the coronagraph on Hubble's Advanced Camera for Surveys, which blocked out most of the starlight. The black circle in the center of the image is the coronagraph's occulting disk. The disk in this image extends to about 8 billion miles from the star, or three times farther than Neptune is from the Sun. In other observations, the disk has been traced to at least 11 billion miles. |
| Data | Hubble image taken Aug. 1, 2004. |
| Fonte | http://hubblesite.org/newscenter/archive/releases/2007/02/image/a/ |
| Autore | NASA, ESA, J. R. Graham and P. Kalas (University of California, Berkeley), and B. Matthews (Hertzberg Institute of Astrophysics) |
| Licenza (Riusare questo file) |
http://hubblesite.org/copyright/ |
Licenza
|
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. |
Cronologia del file
Fare clic su un gruppo data/ora per vedere il file come si presentava nel momento indicato.
| Data/Ora | Miniatura | Dimensioni | Utente | Commento | |
|---|---|---|---|---|---|
| attuale | 16:29, 11 gen 2007 | | 3 000 × 2 400 (498 KB) | wikimediacommons>Winiar | {{Information |Description=The top view, taken with NASA's Hubble Space Telescope, shows light reflected off dust in a debris disk around the young star AU Microscopii. The bottom frame labels features in this image, while the white lines on the disk ind |
Utilizzo del file
Le seguenti 2 pagine usano questo file:
