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Atom & Cosmos

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an illustration of a Dyson sphere

STAR CATCHER  To prepare for an eventual energy shortage caused by the accelerating expansion of the universe, an ultrapowerful alien civilization could gather stars and capture their energy using hypothetical structures known as Dyson spheres, illustrated above.

lightning at Jupiter's pole

IN A FLASH  Unlike Earth lightning, which is most concentrated at the equator, Jupiter’s strikes at its poles, as shown in this artist’s rendition.

Venus

PUSH AND PULL  New research has shown that Venus’ thick atmosphere, shown here in an image from the Japanese space agency’s Akatsuki spacecraft, can speed up the planet’s rotation.

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