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solar flare

SUPERFLARE  Gusts of solar wind from the young sun produced life-supporting molecules, researchers propose. The solar flares probably compressed Earth’s magnetic field (blue lines) and sent particles raining into the atmosphere, as shown in this illustration. 

illustration of binary star PB 3877

ESCAPE ARTIST  Binary star PB 3877 (illustrated) is hurtling through the outer reaches of the galaxy and astronomers aren’t sure how it got out there.

people throwing a ball on a carousel

By playing catch while on a bare-bones carousel, participants in Genius discover the Coriolis effect.

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