Fil:Global Lightning Frequency.png

Opphavleg fil ‎(1 860 × 880 pikslar, filstorleik: 133 KB, MIME-type: image/png)

Denne fila er frå Wikimedia Commons og kan verta nytta av andre prosjekt. Skildringa frå filskildringssida der er vist nedanfor.

Følgjande er henta frå filomtalen åt denne fila på Wikimedia Commons:

Skildring

SkildringGlobal Lightning Frequency.png	English: Data from space-based sensors reveal the uneven distribution of worldwide lightning strikes. Units: flashes/km²/yr. Data obtained from April 1995 to February 2003 from NASA's Optical Transient Detector and from January 1998 to February 2003 from NASA's Lightning Imaging Sensor.
Dato	10. desember 2001
Kjelde	http://www.nasa.gov/centers/goddard/news/topstory/2004/0621lightning_prt.htm http://visibleearth.nasa.gov/view_rec.php?id=2264
Opphavsperson	NASA/GHRC/NSSTC Lightning Team
Andre versjonar	File:Global lightning strikes.png

	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 to Dansk Wikipedia on by Glenn.

Klikk på dato/klokkeslett for å sjå fila slik ho var på det tidspunktet.

	Dato/klokkeslett	Oppløysing	Brukar	Kommentar
gjeldande	26. mai 2013 kl. 07:31	1 860 × 880 (133 KB)	Yourmomblah	Optimized file size
	29. desember 2009 kl. 06:42	1 860 × 880 (335 KB)	Rehman	Higher quality
	6. november 2005 kl. 17:47	1 205 × 586 (326 KB)	Tintazul	Higher resolution, same source
	2. juli 2005 kl. 10:50	540 × 307 (42 KB)	Saperaud~commonswiki	original uploaded 7. Nov 2003 in Dansk wikipedia by da:Bruger:Glenn Fra hollandsk Wikipedia (Bliksem). Kilde NASA: http://visibleearth.nasa.gov/cgi-bin/viewrecord?10812 . http://visibleearth.nasa.gov/help.html Citat: "...Unless otherwise noted, all