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A bright white core of a dead star distorts the light of the sunlike star it orbits, as seen here in an artist’s illustration. It’s the first strong evidence for this gravitational lensing in a binary star system.

Astronauts aboard the International Space Station toast people back home with water recycled from their urine. A new system not only would turn pee into drinking water but also produce energy.

The expanding shell of gas shown here, called Abell 33, glows blue. It’s the remnant of a dying star. The bright star that appears to sit on the ring’s edge actually is nowhere near that shell of gas. 

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