Recent content by slicksister

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    Boomerang meteorite may be the 1st space rock to leave Earth and return

    thanks. makes more sense. (I should've caught the Be-3 goof as well!)
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    Boomerang meteorite may be the 1st space rock to leave Earth and return

    The boomerang meteorite article mentioned it contained Helium-10. I was surprised that Helium could contain so many neutrons (8) and looked up the isotopes of Helium on wikipedia. It indeed exists, but appears to have a half-life measured in yocto-seconds, 260 ys or 2.6*10^-22 seconds. That's...
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    Space roar: NASA detected the loudest sound in the universe, but what is it?

    Is there any way to rule out synchrotron radioation from charged particles from the sun's solar wind interacting with the earth's magnetic field? Couldn't the radiation be coming from the van allen belts that surround the earth? Wouldn't that look like a diffuse, widely distributed radio source?
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    Why some physicists really think there's a 'mirror universe' hiding in space-time

    The arthicle states: "... 480 picoelectronvolts (PeV), a measure of a particle's mass." Is this a typo? PeV is Peta electron Volts, not pico electron Volts. Peta, is the SI prefix for 10^15, while pico is the SI prefix for 10^-12. That's a big difference. 480 pico eV is very small...