Photo of Mira the star-by Nasa alt crop

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Summary

Description	Mira A is a red giant variable star in the constellation Cetus. This ultraviolet-wavelength image mosaic, taken by NASA's GALEX, shows a comet-like "tail" stretching 13 light year across space. The "tail" consists of hydrogen gas blown off of the star, with the material at the furthest end of the "tail" having been emitted about 30,000 years ago. The tail-like configuration of the emitted material appears to result from Mira's uncommonly high speed (about 130 km/s (81 mi/s)) relative to the Milky Way galaxy's ambient gas. Mira itself is seen as a small white dot inside a blue bulb.
Date	Unknown?
Source	https://www.galex.caltech.edu/MEDIA/2007-04/images.html
Author	NASA
Permission (Reusing this file)	See below
Other versions	Original

Recogntion

	This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. 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.

Licensing information

This file is in the public domain because it was 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 are restricted per US 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}} or {{Spacetelescope.org}}.
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]

Other information

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped and rotated from Image:Mira the star-by Nasa.jpg.

Photo's description:

Mira A is a red giant variable star in the constellation Cetus. This ultraviolet-wavelength image mosaic, taken by NASA's GALEX, shows a comet-like "tail" stretching 13 light year across space. The "tail" consists of hydrogen gas blown off of the star, with the material at the furthest end of the "tail" having been emitted about 30,000 years ago. The tail-like configuration of the emitted material appears to result from Mira's uncommonly high speed (about 130 km/s (81 mi/s)) relative to the Milky Way galaxy's ambient gas. Mira itself is seen as a small white dot inside a blue bulb.

Licensing:
Public Domain

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EXIF data:
File name	mira_the_star-by_nasa_alt_crop.jpg
Size, Mbytes	0.2390439453125
Mime type	image/jpeg
Orientation of image	1
Image resolution in width direction	150
Image resolution in height direction	150
Unit of X and Y resolution	2
Color space information	65535
Exif image width	2824
Exif image length	750
Software used	Adobe Photoshop 7.0

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