Tuesday, July 18, 2017

Universe is made not only of Carl Sagan's oft-quoted "billions and billions" of galaxies,also vast amount of an invisible substance called dark matter.This odd matter is thought to be a new kind subatomic particle don't interact via electromagnetism, nor strong and weak nuclear forces. [1208x774]

http://bit.ly/2uxJcr0 via /r/spaceporn http://bit.ly/2vxdW8X

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