Closing In On Dark Matter
Scientists figured out years ago that there was nowhere near enough matter in our Local Group of galaxies to create enough gravity to keep them from flying apart. Our Local Group consists of our own...
View ArticleClosing In On Dark Matter (Part 2)
Mapping The Invisible — Hubble Yields Clues To Galaxy Cluster Growth By NASA Goddard Photo and Video Creative Commons at Flickr In Part 1 of this continuing series on dark matter, I reported that...
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