Ask A Spaceman!

What does ‘time’ mean for light? What is the real lesson of the twin paradox? How can we all agree on the true age of the universe? Why is it all so technical? I discuss these questions and more in today’s Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books  Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Robert R, Dan M, Matthew K, Evan T, Justin G, Kevin O, Chris C, Helge B, Barbara K, Matt W, Kirk B, jmautobot, George, Tim R, Neil L, Nikolas W, Yordon M, Sean M, Cesare R, Fenris N, Johan S, Joe R, Neil P, Gabriella G, Tom S, Larry B, bryan D, irene P, Matt C, lothian53, Steve P, Debra S, Ken L, Alberto M, Logan D, Chris L, Mark R, Alan B, Stu S, Stephen J, John F, Maureen R, Frank T, Sean P, Crai