File:Artist's Illustration of Beta Pictoris Gas Disk (1991-08-39).tif
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![File:Artist's Illustration of Beta Pictoris Gas Disk (1991-08-39).tif](https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Artist%27s_Illustration_of_Beta_Pictoris_Gas_Disk_%281991-08-39%29.tif/lossy-page1-800px-Artist%27s_Illustration_of_Beta_Pictoris_Gas_Disk_%281991-08-39%29.tif.jpg?20231029001556)
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Captions
This is an artist's concept of the near stellar environment of the star Beta Pictoris. This illustration is based upon recent observations made with the Goddard High Resolution Spectrograph aboard the Hubble Space Telescope.
Summary
[edit]DescriptionArtist's Illustration of Beta Pictoris Gas Disk (1991-08-39).tif |
English: This is an artist's concept of the near stellar environment of the star Beta Pictoris. This illustration is based upon recent observations made with the Goddard High Resolution Spectrograph aboard the Hubble Space Telescope. This illustration shows three major components of the near stellar region, which is roughly the size of our inner Solar System. The reddish center ring (C) is a diffuse gas disk, which has a stable orbit around the star. This ring surrounds an inner disk (D) of gas which is slowly drifting toward the star. The white "comet-like" features in this bluish disk are dense streams of gas spiraling down the star gravitational potential "well." The outer filamentary structures (A&B), first detected by the Space Telescope, may be an expanding gas halo, or foreground features seen in the local interstellar medium. The disk's structure and dynamics are inferred from the GHRS spectra of Fe II line profiles (left.) The spectra taken on January 12, 1991 (bold line) are markedly different form those taken 23 days later, (thin line) on February 4. This indicates the presence of a "lumpy" turbulent cloud of moving gas which dramatically changes the structure of gas over a short time periods. A ground based view of the Beta Pictoris system (upper left) shows that the gas disk is embedded deep within a much broader disk of dust particles more than 100 billion kilometers across which has been detected previously in ground based observations. |
Date | 17 May 1991 (upload date) |
Source | Artist's Illustration of Beta Pictoris Gas Disk |
Author | Credit: Dana Berry (STScI) |
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Licensing
[edit]Public domainPublic domainfalsefalse |
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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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current | 00:15, 29 October 2023 | ![]() | 3,620 × 2,420 (14.95 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://stsci-opo.org/STScI-01EVTB9903G57BM7FS78VCM8MS.tif via Commons:Spacemedia |
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Width | 3,620 px |
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Height | 2,420 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Number of components | 3 |
Number of rows per strip | 1 |
Horizontal resolution | 2,700 dpi |
Vertical resolution | 2,700 dpi |
Data arrangement | chunky format |