Why We Know The Universe's Age 🌌 w/ Brian Cox
0:17
YouTubeAstronomicon
Why We Know The Universe's Age 🌌 w/ Brian Cox
Ever wondered about the universe's vastness and its age? This clip explains that the cosmos is estimated to be 13.8 billion years old, a figure derived from measuring the speed of galaxy recession, which points to a 'big bang' origin. We explore the concept of an 'expanding universe' and how it influences our understanding of 'how old is the ...
9.4K views1 month ago
Shorts
How Do We Know the Universe Is 13.8 Billion Years Old? 🌌⏳ The age of the universe isn’t a guess. Expansion rate. Cosmic microwave background. Oldest stars. Independent measurements all point to ~13.8 billion years. That’s calculated — not assumed. #universe #bigbang #astronomy #spacefacts #cosmolgy
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