Astronomers find smaller Neptunian rocks

A Taiwan-led study suggests smaller frozen chunks of rock in the outer reaches of the Solar System can be spotted when they obscure starlight.

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<p><a href="http://www.physorg.com/news74445701.html">Astronomers find smaller Neptunian rocks</a></p> <p>A Taiwan-led study suggests smaller frozen chunks of rock in the outer reaches of the Solar System can be spotted when they obscure starlight. </p>