Atom & Cosmos

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comet 67P

KEY INGREDIENTS  Phosphorus and glycine, both essential to life, have been found at comet 67P, seen in this March 29 picture from the Rosetta spacecraft.

Illustration of spacecraft flying by Europa

TARGET: EUROPA  Slamming a spent fuel tank into the surface of Jupiter’s icy moon Europa could vibrate the surface so much that a spacecraft flying by (shown in artist’s illustration) could see the tremors. Scientists might be able to analyze the tremors to gauge the thickness of the ice. 

supernova

IT’S BAAAACK An alleged supernova — the brightest known — detected in 2015 is back for another round, researchers report. Left and right panels show before and after images from the initial detection.

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