News Astronomy

First known exoplanets have few counterparts

Pulsar survey finds no new examples of orbiting worlds

pulsar PSR B1257+12

RARE FIND  The three rocky planets around pulsar PSR B1257+12 (illustrated) were the first confirmed exoplanets. Pulsar-orbiting planets are quite rare, a new survey suggests. 

JPL-Caltech/NASA

By Christopher Crockett

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