Datoteka:Leading hemisphere of Helene - 20110618.jpg

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Sažetak

Opis
English: This raw, unprocessed image of Saturn's moon Helene was taken by Cassini on 18 juni 2011 and received on Earth 20 juni 2011.

Helene is a trojan moon of Dione. It leads Dione by 60 degrees in their shared orbit. The view looks toward the leading hemisphere of Helene (33 kilometers, 21 miles across). North on Helene is towards the top.

The camera was pointing toward Helene, and the image was taken using the CL1 and CL2 filters. The image has not been validated or calibrated. A validated/calibrated image will be archived with the Planetary Data System in 2012.

The Cassini Solstice Mission is a joint United States and European endeavor. The Jet Propulsion Laboratory (JPL), a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colorado.

For more information about the Cassini Solstice Mission visit http://ciclops.org, http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov.

The original NASA image has been modified by cropping, sharpening and lightening shadows.
Datum
Izvor https://ciclops.org/view/6796/Helene-Rev-149-Raw-Preview-1.html.
Autor NASA / Jet Propulsion Laboratory / Space Science Institute.
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped and sharpened; shadows lightened. Modifications made by WolfmanSF. The original can be found here: https://ciclops.org/view/6796/Helene-Rev-149-Raw-Preview-1.html.

Licenciranje

Public domain 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.)
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Datum/vrijemeSmanjeni pregledDimenzijeKorisnikKomentar
trenutno11:00, 21 juni 2011Smanjeni pregled verzije na dan 11:00, 21 juni 2011960 × 900 (186 KB)WolfmanSFRotate 180 deg. to put north on top
20:24, 20 juni 2011Smanjeni pregled verzije na dan 20:24, 20 juni 2011960 × 900 (212 KB)WolfmanSF

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