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Keyword: philplait

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  • Over A Thousand Years Ago, The Sun Exploded — And Changed Life On Earth Forever

    11/16/2015 7:03:45 AM PST · by blam · 34 replies
    BI - Slate ^ | 11-16-2015 | Phil Plait
    Phil PlaitNovember 16, 2015 A new study says that violent space weather that could cost $2 trillion in damage is more common than previously thought In the years 774 and 993, the Earth was attacked from space. Not by aliens, but by a natural event—and it was very, very powerful. Whatever it was, it subtly altered the chemistry of our planet’s atmosphere, creating trace amounts of radioactive elements like chlorine-36, beryllium-10, and carbon-14. And those provide the clue to what the event was: Those isotopes are created when high-energy protons slam into our air. That means the source must have...
  • Did Astronomers Find Evidence of an Alien Civilization? Probably Not. But Still Cool.

    10/15/2015 8:55:50 PM PDT · by Brad from Tennessee · 33 replies
    Slate ^ | October 14, 2015 | By Phil Plait
    The paper doesn’t mention aliens, and it doesn’t even imply aliens. Not directly, at least. But the astronomers found a star so odd, with behavior so difficult to explain, that it’s clear something weird is happening there. And some of the astronomers who did the work are now looking into the idea that what they’ve found might (might!) be due to aliens. But don’t let this idea run away with you. The scientists involved are being very skeptical and approaching this the right way. The star is called KIC 8462852, and it’s one of more than a hundred thousand stars...
  • Three Congressmen Are Using Red Tape to Bind SpaceX to Earth

    08/12/2014 9:02:42 AM PDT · by Jack Hydrazine · 22 replies
    Slate.com ^ | 12AUG2014 | Phil Plait
    Hey, remember Sen. Richard Shelby (R-Ala.), the guy who threw needless layers of bureaucracy at SpaceX because the private space company was doing its job of launching rockets into space a little too well? Well, it looks like he’s being joined by gentlemen from the other side of the Capitol: Three congressmen are trying to do the same thing.