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5/2/15 Cover

Atom & Cosmos

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Voorwerpje

GREEN GOBLIN  Filaments of gas known as voorwerpjes (green) orbit the galaxy UGC 7342 in this image from the Hubble Space Telescope. The galaxy is about 650 million light-years away in the constellation Coma Berenices.

Westerlund 2

EYE IN THE SKY  A stellar nursery 20,000 light-years from Earth known as Westerlund 2 showcases the Hubble Space Telescope’s sharp vision in an image taken in honor of the observatory’s 25th anniversary.

galaxy intruder

ORPHAN MAKER  In this artwork, an "intruder" spiral galaxy (left and middle, red path) sidles up to a galaxy cluster where a compact elliptical revolves (cE orbit, blue path) next to its host, kicking the compact elliptical out of orbit before being devoured itself by the giant galaxy in the cluster center (right).

Atom & Cosmos

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