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From earth. studying the season and the unseen. dark matter is thought to be the glue that holds galaxies together. dark energy, a phenomenon that drives cosmic objects apart. in theory, causing the universe to expand at an accelerated rate. >> we dont know what the universe is made of. we dont know what the fundamental building blocks are of this universe as it stands today. its a really fundamental embarrassment, frankly, that we dont know, essentially, what more than 90% of the universe is. >...
Source: archive.org