Скачать или смотреть Whole Universe vs. Observable Universe | Neil deGrasse Tyson

Ever wondered what people mean when they say the universe is expanding? 🌌 Neil deGrasse Tyson breaks it down in simple terms: the entire universe is expanding, but what we can actually observe is limited to the observable universe — the part within our cosmic horizon.

In this short clip from StarTalk, Neil explains the difference between the whole universe and the observable universe, helping us understand how telescopes reveal just a fraction of the cosmos. Perfect for anyone curious about space, cosmology, and the mysteries of the universe!

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