How do scientists determine the age and composition of cosmic objects? What are space farms, and is life possible beyond Earth? What are the largest objects in the universe, and why are they so fascinating? Learn more about the Goldilocks Zone, where conditions might be perfect for life, and explore the possible scenarios for the end of the universe – will it be heat death, the Big Rip, or something else?
00:00:00 | How the age and composition of cosmic objects are determined
00:49:10 | Space farms
01:35:41 | The largest objects in the universe
02:25:10 | The Goldilocks Zone
03:04:50 | How will it all end?
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#universe #spaceexploration