An artist rendering of a recent discovery: the Voyager spacecraft found that our solar system is surrounded by a kind of cloud, which is held together by a magnetic field. It's wispy but a pretty big cloud--30 light years across. This magnetic field, it's now felt, helps to shield us from cosmic radiation. The Earth has its own magnetic field shield as well.
Howdy Doodle
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It was four summers ago—nearly five—that Margaret drove the six hours or so
to the Bay Area, to an animal shelter that specialized in small dogs,
espe...
8 hours ago
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