Do Colliding Pulsars Create All of the Universe’s Gold? | Cosmic Queries #112

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Are all galaxies redshifting away? Neil deGrasse Tyson and comedian Negin Farsad tackle a grab bag of fan questions covering cosmic infrastructure, redshift, werewolves, gravitational waves, and the nature of time itself.

Could micro-satellites serve as cosmic relay points between spacecraft? We explore the concept of deep space fueling stations and how space travel often comes down to one big fuel problem. If Neil could pick one thing that scientists say can’t be done to come true, what would he pick? Learn how the laws of physics are always right but have their limits.

What causes redshift when light travels great distances? We explore how redshifting works across the light spectrum and what causes it and explain why almost every galaxy is redshifted, with one famous blueshifting galaxy. Does the full moon trigger seizures or influence human behavior? Neil dismantles moon myths and why werewolves should be just as active in the day as they are on nights with a full moon.

Why haven't gravitational wave detections been confirmed by optical telescopes? Learn how LIGO found colliding black holes and how pulsars are helping bridge the world between gravitational and optical telescopes. Will we find life on Mars in the next 30 years? Is time itself an emergent illusion? And is building artificial intelligence not unnatural at all or is it just the next layer of complexity in what nature has been doing all along?

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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