Soubor:Hun Kal crater on Mercury cropped.png

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Hun_Kal_crater_on_Mercury_cropped.png ‎(330 × 330 pixelů, velikost souboru: 77 KB, MIME typ: image/png)

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PopisHun Kal crater on Mercury cropped.png	English: A fresh new crater in the center of an older crater basin provides a landmark for the tiny crater named Hun kal- the Mayan number 20 - which is the basis for positioning the longitudes on Mercury. By definition, the 20° meridian passes through the center of this small crater. Assuming that the spin axis of Mercury is perpendicular to its orbital plane, the latitude of Hun Kal is 0.23°S. This picture, which covers an area of 130 by 170 km ( 90 by 105 mi), was taken from a distance of about 20,700 km (12,860 mi), a half-hour before Mariner made its first close flyby of Mercury, March 1974.
Zdroj	http://history.nasa.gov/SP-424/p112.htm
Autor	Mariner 10
Další verze	uncropped original version

	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."

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	Datum a čas	Náhled	Rozměry	Uživatel	Komentář
současná	9. 4. 2008, 23:22		330 × 330 (77 KB)	Bryan Derksen	{{Information \|Description={{en\|A fresh new crater in the center of an older crater basin provides a landmark for the tiny crater named Hun kal- the Mayan number 20 - which is the basis for positioning the longitudes on Mercury. By definition, the 20° me

Tento soubor používá následující stránka:

Tento soubor využívají následující wiki:

Využití na ca.wikipedia.org
- Hun Kal (cràter)
Využití na ce.wikipedia.org
- Хун Каль (кратер)
Využití na en.wikipedia.org
- Hun Kal (crater)
Využití na fr.wikipedia.org
- Altitudes et coordonnées géographiques sur les corps célestes
- Hun Kal (cratère)
Využití na it.wikipedia.org
- Cratere Hun Kal
- Utente:ValterVB/Sandbox/Liste/GPN/Mercurio
Využití na ja.wikipedia.org
- フン・カル
Využití na ml.wikipedia.org
- ഹൂൺ കാൽ
Využití na www.wikidata.org
- Q1400148
Využití na zh.wikipedia.org
- 婚咯 (坑穴)