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Ballard Power Systems Inc. Message Board

  • redshoe77 redshoe77 Nov 4, 2011 10:26 AM Flag

    Big rocks

    Will the Repubs let Obama get ready for one of these or will they just call it a hoax like global warming because they don't believe anything can harm this planet? It's doubtful that Obama could get the votes if one is headed our way. Anyway it's another good reason for fuel cells since even a small one could do a lot of grid damage.

    A space rock as big as an aircraft carrier will zip safely past Earth Nov. 8, NASA says — though it will be fairly close.

    Asteroid 2005 YU55, about 1,300 feet wide, makes its closest approach to Earth at 3:28 p.m. Pacific time as it flies by within the moon’s orbit.

    Radar image of asteroid taken last year by the Arecibo Radio Telescope in Puerto Rico.
    That still places the asteroid at least 201,700 miles from Earth, or 85 percent of the distance from the Earth to the moon, says NASA’s Jet Propulsion Laboratory in Pasadena.

    NASA’s Deep Space Network antennas in Goldstone, Calif., will be used to track the asteroid.

    The last asteroid to approach Earth this closely came in 1976, unknown to astronomers until after the fact.

    The next close approach by an asteroid of comparable size will be in 2028.

    NASA tracks asteroids through its Near Earth Observation Program.

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