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Trifid nebula from en-wiki. Copied from en-wiki, description from there follows: --RuPassenger 19:39, 31 May 2005 (UTC)
DESCRIPTION: Part of the Trifid nebula (M20, NGC 6514) in pseudocolor.
The images were taken Sept. 8, 1997 through filters that isolate emission from hydrogen atoms, ionized sulfur atoms, and doubly ionized oxygen atoms. The images were combined in a single color composite picture.
CREDIT: NASA and Jeff Hester (Arizona State University).
SOURCE: http://hubblesite.org/newscenter/newsdesk/archive/releases/1999/42/image/a
COPYRIGHT: “Unless otherwise specifically stated, no claim to copyright is being asserted by STScI and it may be freely used as in the public domain in accordance with NASA's contract. However, it is requested that in any subsequent use of this work NASA and STScI be given appropriate acknowledgement.”
PREPARED BY Adrian Pingstone in November 2003.
[edit] Licensing
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This file is in the public domain because it was created by NASA and the European Space Agency. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre. [1] or [2]. |
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| Data | Dimensioni | Utente | Commento |
corrente | 21:46, 31 mag 2005 | 750×804 (83 KB) | RuPassenger | |
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