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    NASA Probe Successfully Orbiting Mercury - Forum

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    Forum moderator: arya, dethalternate  
    Forum » Main » Science, Astronomy, Nature » NASA Probe Successfully Orbiting Mercury
    NASA Probe Successfully Orbiting Mercury
    archmageDate: Friday, 18-March-2011, 4:58 PM | Message # 1
    -- dragon lord--
    Group: lords
    Messages: 3030
    Status: Offline


    Rachel Kaufman
    for National Geographic News
    Updated March 17, 2011

    NASA made history tonight as the MESSENGER probe became the first spacecraft to orbit the tiny planet Mercury.

    Launched in 2004, the MErcury Surface, Space ENvironment, GEochemistry, and Ranging mission marks the first time a craft has gone near Mercury since 1975, when NASA's Mariner 10 probe conducted flybys. (Get MESSENGER facts and figures.)

    For the past six and a half years MESSENGER has been maneuvering itself into an orbital path via so-called gravity assists, using the tugs from flybys of Earth, Venus, and Mercury itself to speed up and alter course.

    At 8:45 p.m. ET, MESSENGER performed a "burn"—essentially "riding its brakes" by firing its main thruster—to slow the spacecraft enough to be captured by Mercury's gravity.

    The mission control team at the Johns Hopkins Applied Physics Laboratory in Maryland was monitoring MESSENGER's progress from 96 million miles (155 million kilometers) away.


    untoten1
    Full article/source - http://news.nationalgeographic.com/news....science
     
    Forum » Main » Science, Astronomy, Nature » NASA Probe Successfully Orbiting Mercury
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