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Jack's

Jack's blog consists of random thoughts, found items, philosophy and humor.

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    Solar tornado

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    Jack
    , 18th February 2012 at 02:35 PM (Jack's)
    VIDEO: A Tornado On The Sun : The Two-Way : NPR

    Here's something you don't see every day: a tornado on the surface of the sun. NASA's Solar Dynamics Observatory posted this stunning video, which shows the sun's plasma sliding and spinning around in the star's magnetic fields for 30 hours earlier this month.

    Terry Kucera, a solar physicist with NASA's Goddard Space Flight Center, told Fox News that the tornado might be as large as the Earth itself and have gusts up to 300,000 ...
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    Anniversary of a cosmic blast

    by
    Jack
    , 15th June 2011 at 11:34 PM (Jack's)
    Five years ago today — on December 27, 2004 — the Earth was attacked by a cosmic blast.

    The scale of this onslaught is nearly impossible to exaggerate. The flood of gamma and X-rays that washed over the Earth was detected by several satellites designed to observe the high-energy skies. RHESSI, which observes the Sun, saw this blast. INTEGRAL, used to look for gamma rays from monster black holes, saw this blast. The newly-launched Swift satellite, built to detect gamma-ray bursts
    ...
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