Our Universe is expanding. No matter what galaxy you’re in, all the other galaxies are moving away from you. Well, if you’re curious, point your telescope far enough away; you’ll find that everywhere in the universe is moving away from everywhere else.  You know the universe is expanding, but do you know the acceleration of its expansion? Watch it explained in the video.

Source: MinutePhysics

6 thoughts on “How Do We Know The Universe Is Accelerating?

  1. hello sparkonit its dennis the vizsla dog hay dada sez this just proovs that groucho marx kreated the yooniverse he sez all the galaksees ar saying they do not want to belong to enny yooniverse wot wood hav them as members!!! i hav no ideea wot he is tawking abowt as yoozhual!!! ok bye

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