File:Complex Cloud of Gas Heated by Shock Waves (1993-09-98).jpg
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A NASA Hubble Space Telescope image of a huge, complex cloud of gas heated by shock waves from jets of gas produced by the birth of a new star.
Summary
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English: A NASA Hubble Space Telescope image of a huge, complex cloud of gas heated by shock waves from jets of gas produced by the birth of a new star. Called Herbig-Haro object #2 (HH- 2) the cloud is a visible manifestation of physical processes that occur early in the evolution of a star. The photograph was produced from three images obtained with the Wide Field/Planetary Camera (WFIPC). Exposures were taken through different filters to examine light emitted by HH-2 in emission lines of ionized oxygen (coded blue), hydrogen (coded green), and sulfur (coded red). The blue spots represent the highest temperature gas. The red regions identify cooler gas. In the brightest portions of the object, emissions from all three components combine to produce white features. The image is approximately 11 arc seconds on a side, corresponds to a size of about 480 billion miles (772 billion kilometers) at the object's distance of 1,500 light-years). The smallest features resolved in the image are about 3 billion miles (4.8 billion kilometers) in diameter, comparable to the distance from Earth to the planet Neptune in our Solar System. |
| Date | 14 April 1993 (upload date) |
| Source | Complex Cloud of Gas Heated by Shock Waves |
| Author | Credit: Richard Schwartz (Univ. of Missouri, St. Louis), Martin Cohen (Univ. of California, Berkeley), Burton Jones (Univ. of California, Santa Cruz), Karl-Heinz Bohm (Univ. of Washington), John Raymond and Lee Hartmann (HarvardSmithsonian Center for Astrophysics), Reinhard Mundt (Max-Planck-lnstitut fur Astronomle), Michael Dopita (Mt. Stromlo and Siding Spring Observatories), and Angie Schultz (Washington Univ. at St. Louis/Univ. of Missouri at St. Louis). |
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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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