18 min listen
AaS! 25: How do we know how far away stuff is...far away?
FromAsk a Spaceman!
ratings:
Length:
37 minutes
Released:
Feb 2, 2016
Format:
Podcast episode
Description
How do we measure distances to…well, distant objects? What the heck is a Cepheid, and why is it useful? Standard candles? Standard rulers? Standard spheres? It all seems a bit much, don’t you think? I answer these questions and more in today’s Ask a Spaceman!
Follow all the show updates at askaspaceman.com, and help support the show at patreon.com/pmsutter!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman on Twitter@PaulMattSutter and Facebook/PaulMattSutter for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
Follow all the show updates at askaspaceman.com, and help support the show at patreon.com/pmsutter!
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman on Twitter@PaulMattSutter and Facebook/PaulMattSutter for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.
Released:
Feb 2, 2016
Format:
Podcast episode
Titles in the series (100)
AaS! Transient Special: When is the next eclipse?: It’s a special “transient” episode featuring the questions of Finn and Zakk from Dr. Batchelder’s class in Corbridge, England. They are celebrating a partial solar eclipse and asked: Where will the eclipse be total? When we... by Ask a Spaceman!