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  • 23
    Dec
    2010
    12:25am, EST

    Watch an eclipse and sunset on Mars

    By Alan Boyle, Science Editor, NBC News

    We've just had a lovely total lunar eclipse on Earth — so how about watching a solar eclipse on Mars? Pictures from NASA's Opportunity rover record just such an event, which occurred on Nov. 9. Neither of Mars' moons is big enough to cover the whole disk of the sun during an eclipse, so a partial blackout is the best Phobos could do in this video clip.

    After the eclipse, you'll see a typical Martian sunset, stitched together from exposures taken on Nov. 4 and 5. The 30-second sequence is a speeded-up rendition of a sunset that would take 17 minutes in real time. The sky looks blue around the sun in these pictures because of the scattering effect produced by dust particles of a particular size in the Martian atmosphere. Farther away from the sun, the Martian sky takes on more of a reddish cast.

    The scientists who created the rover movies say they're the next-best thing to being there. "These visualizations of an alien sunset show what it must have looked like for Opportunity, in a way we rarely get to see, with motion," rover science team member Mark Lemmon of Texas A&M University said in a NASA image advisory. Simulated images were added to the sequences to produce a smooth viewing experience.

    More moving pictures from Mars:

    • Deimos moves across the sun
    • Watch Martian clouds fly by
    • See a dust devil spin on Mars
    • NASA movies from Opportunity
    • NASA movies from Spirit rover

    For the eclipse movie, the image sequencing was done by Emily Dean, Dale Theiling, Elaina McCartney and Jon Proton. Image processing was done by Jim Bell and Mark Lemmon. Event timing was handled by Tom Duxbury. The team expressed thanks to members of the operations and support teams in the NASA/JPL Mars Exploration Program and Deep Space Network. Credit for both movies goes to NASA, JPL-Caltech, Cornell University and Texas A&M.

    Connect with the Cosmic Log community by hitting the "like" button on the Cosmic Log Facebook page or following msnbc.com's science editor, Alan Boyle, on Twitter (@b0yle).

    20 comments

    Thats pretty cool stuff. How did the camera man breath??? I didn't know there was air on Mars! I hope he brought his 12 gauge in case of little green men who might be a threat to national security.

    Show more
    Explore related topics: space, mars, opportunity, video, sunset, eclipse, featured, rover

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Alan Boyle, Science Editor, NBC News

Science editor at msnbc.com, author of "The Case for Pluto," winner of the National Academies Communication Award for Cosmic Log in 2008. Alan Boyle covers the physical sciences, anthropology, technological innovation and space science and exploration for msnbc.com. Check out Cosmic Log's archives by following the links below, and see Boyle's full biography at http://bit.ly/boyle-bio

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