Your Future Might Already Exist According To Relativity
What would alien astronomers see if they pointed an impossible telescope at Earth from millions of light-years away?
This episode uses that thought experiment to explain light travel time, relativity, time dilation, the Andromeda paradox, and the strange idea that there may be no single universal “now.” We also get into the block universe, why GPS depends on relativity, and what all of this might mean for how we think about the future.
Hosted by Dr. Dakotah Tyler.
Lead with curiosity.
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What would alien astronomers see if they pointed an impossible telescope at Earth from millions of light-years away?
This episode uses that thought experiment to explain light travel time, relativity, time dilation, the Andromeda paradox, and the strange idea that there may be no single universal “now.” We also get into the block universe, why GPS depends on relativity, and what all of this might mean for how we think about the future.
Hosted by Dr. Dakotah Tyler.
Lead with curiosity.
2026-06-21
59 min
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