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Atom & Cosmos

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Solar Eclipse in 2012

SUN BLOCK  A total solar eclipse (one shown from 2012) is one of nature’s most awesome spectacles. In advance of one that will sweep across the United States in August, publishers are releasing a spate of new solar eclipse books.

Saturn's atmosphere

FIRST LOOK  NASA’s Cassini spacecraft snapped these closest-ever views of Saturn’s atmosphere on April 26. The images show filamentary and cumulus clouds, along with a good view of the planet’s giant hurricane (middle).

heliosphere

A TALE OF NO TAIL  Data from the Voyager and Cassini spacecraft suggest that the heliosphere, the bubble of particles surrounding the solar system, is spherical, not comet-shaped. This illustration shows how that bubble is shaped by the interstellar magnetic field and flow of particles from interstellar space. Other labeled parts of the heliosphere are its outer edge (heliopause), the point at which the solar wind slows in speed (termination shock) and the region between those two boundaries (heliosheath).

Atom & Cosmos

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