StarTalk Radio

Cosmic Queries – Renaming Time

7 snips
Jun 10, 2025
Can time exist without motion? Dive into a lively discussion about the Silurian hypothesis and the possible existence of advanced civilizations that may have vanished from Earth. Discover the intricate relationship between time, motion, and our perception of time itself. The conversation also touches on the mysteries of black holes and lunar mining, as well as the fascinating concept of wormholes and their theoretical implications. Unravel the roles of photons and ponder the idea of universes existing within black holes.
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INSIGHT

Time Requires Repeated Motion

  • Measuring time requires something that repeats periodically.
  • Without repeated motion, time cannot be measured with meaningful repeatability.
ADVICE

Books for Young Astronomy Enthusiasts

  • Precocious 12-year-olds should read Neil deGrasse Tyson's books tailored for young people.
  • "Astrophysics for Young People in a Hurry" is designed to ignite curiosity and explain the universe simply.
INSIGHT

Universe Expansion and Horizons

  • Each observer in the expanding universe sees themselves at the center, viewing distant galaxies at their respective horizons.
  • We are all equally far from the universe's origin, like being in the middle of an infinite ocean.
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