File:Tycho-supernova-xray.jpg

Dimension de iste previsualisation: 600 × 600 pixels.

File original ‎(2 400 × 2 400 pixels, dimension del file: 609 KB, typo MIME: image/jpeg)

Iste file proveni de Wikimedia Commons e pote esser usate per altere projectos. Le description de su pagina de description ibi es monstrate in basso.

Summario

DescriptionTycho-supernova-xray.jpg	Tycho's Supernova Remnant. In 1572, the Danish astronomer Tycho Brahe observed and studied the explosion of a star that became known as Tycho's supernova. More than four centuries later, Chandra's image of the supernova remnant shows an expanding bubble of multimillion degree debris (green and red) inside a more rapidly moving shell of extremely high energy electrons (filamentary blue). As a huge ball of exploding plasma, it was Irving Langmuir who coined the name plasma because of its similarity to blood plasma, and Hannes Alfvén who noted its cellular nature. The filamentary blue outer shell of X-ray emitting high-speed electrons is also a characteristic of plasmas. This is a false-colour x-ray image in which the energy levels (in keV) of the x-rays have been assigned colours as follows: Red 0.95-1.26 keV, Green 1.63-2.26 keV, Blue 4.1-6.1 keV. All x-rays images must use processed colours since x-rays (as are radio waves, infra-red) are invisible to the human eye. But they are not invisible to suitable equipment, such as x-ray telescopes. The red and green bands highlight the expanding cloud of plasma with temperatures in the millions of degrees.
Data	Taken on 29 de april 2003
Origine	http://chandra.harvard.edu/photo/2005/tycho/; see also https://www.flickr.com/photos/smithsonian/2941525398/
Autor	NASA/CXC/Rutgers/J.Warren & J.Hughes et al.


	This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here. If you think this file should be featured on Wikimedia Commons as well, feel free to nominate it. If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

Originally uploaded on the En-Wiki by en:User:Iantresman 12:40, 23 September 2005

Clicca sur un data/hora pro vider le file como appareva a ille tempore.

	Data/Hora	Miniatura	Dimensiones	Usator	Commento
actual	21:57, 22 decembre 2005		2 400 × 2 400 (609 KB)	Solipsist~commonswiki	Larger 2024x2024 jpeg based on 6.3Mb Tiff at source: http://chandra.harvard.edu/photo/2005/tycho/
	21:52, 22 decembre 2005		576 × 576 (293 KB)	Solipsist~commonswiki	== Summary == '''Tycho's Supernova Remnant'''. In 1572, the Danish astronomer Tycho Brahe observed and studied the explosion of a star that became known as Tycho's supernova. More than four centuries later, Chandra's image of the supernova remnant shows a

Il non ha paginas que usa iste file.

Le altere wikis sequente usa iste imagine:

Vider altere usos global de iste file.