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April 2016

Composite image of the gravitational lens SDP.81 showing the distorted image of the more distant galaxy (red arcs) and the nearby lensing galaxy (blue center object). By analyzing the distortions in the ring, astronomers have determined that a dark dwarf galaxy (data indicated by white dot near left lower arc segment) is lurking nearly 4 billion light-years away. (Image credit: Y. Hezaveh; ALMA)

Published in Innovation News
April 14, 2016

Stanford physicists help discover hidden dwarf dark galaxy

The discovery supports a powerful tool for discovering galaxies that are otherwise too distant to observe, and could lead to advances that improve our understanding of dark matter.

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