40 min listen
AaS! 72: How does gravity make a lens?
FromAsk a Spaceman!
ratings:
Length:
35 minutes
Released:
Jan 16, 2018
Format:
Podcast episode
Description
How does gravity bend the path of light? Does it seriously act like a lens or is that just a metaphor? What does it take, and how do we know? What can we learn from this strange physics? 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 Follow on Twitter: http://www.twitter.com/PaulMattSutter Like on Facebook: http://www.facebook.com/PaulMattSutter Watch on YouTube: http://www.youtube.com/PaulMSutter Go on an adventure: http://www.AstroTours.co 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., Justin G., Matthew K., Kevin O., Justin R., Chris C., Helge B., Tim R., SkyDiving Storm Trooper, Steve P., Lars H., Khaled T., John F., Mark R., and David B.! Music by Jason Grady and Nick Bain. Thanks to WCBE Radio for hosting the recording session, Greg Mobius for producing, and Cathy Rinella for editing. Hosted by Paul M. Sutter, astrophysicist at The Ohio State University, Chief Scientist at COSI Science Center, and the one and only Agent to the Stars (http://www.pmsutter.com).
Released:
Jan 16, 2018
Format:
Podcast episode
Titles in the series (100)
AaS! 009: How big is the universe?: How big is the universe? What’s outside the universe, and what are we expanding into? Can it even be put into words? I discuss these questions and more in today's Ask a Spaceman! Keep those questions about space, science, astronomy,... by Ask a Spaceman!