Physics
Rainbow galaxies reveal why cosmos is full of spirals
Psychedelic pictures of 30 galactic collisions show for the first time that merging galaxies often spawn disc-shaped offspring like our Milky Way
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Today on 91av
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Technology
Thrills and spills at first electric Formula E race
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Earth
Icequake before and after snapped by NASA scouts
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Today on 91av
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Space
Rubber duck comet photobombs Rosetta probe’s selfie
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