Prof. Abhinav Arya
チャンネル登録者数 5290人
2405 回視聴 ・ 107いいね ・ 2018/08/04
The diameter of our observable universe is 93 billion light years, this is much bigger than the age of our universe, which is 13.8 billion years. The reason for this is explained in Hindi in this video that how expansion of universe is responsible for such a big observable universe.
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