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Astronomy

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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.

exoplanet illustration

TEST KITCHEN  With so many worlds turning up outside our solar system, it’s time to add some chapters to the planetary production manual.

gas cloud

MORE THAN MEETS THE EYE  This snakelike gas cloud (center dark area) in the constellation Musca resembles a skinny filament. But it’s actually a flat sheet that extends about 20 light-years into space away from Earth, an analysis finds.

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