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Cosmology

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cgm simulation

COSMIC CLOAK  Whirls of cold and hot gas billow in this simulation of a circumgalactic medium surrounding a galaxy. With new tools and simulations, researchers have learned that the CGM helps a galaxy recycle its materials. 

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.

MACS1149-JD1 galaxy

STAR START  Scientists find evidence that stars formed in a faraway galaxy (indicated by the boxes) when the universe was just 250 million years old.

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