Today on Space Radio:It’s raining iron!Is space expanding or is matter shrinking?What prevents time travel?Do we really understand the big bang?Science is boringGet a free autographed copy of my book!and more!Join the show recording every Thursday at 8pm ET by leaving a voicemail at www.SpaceRadioShow.com.Support the show on Patreon.Follow on Twitter | Facebook | Instagram | YouTube.Big thanks to my top Patreon supporters this month: Matthew K, Justin Z, Justin G, Kevin O, Duncan M, Corey D, Barbara K, Neuterdude, Chris C, Robert M, Nate H, Andrew F, Chris L, Jon, Cameron L, Nalia, Aaron S, Kirk T, Tim R, Joe R, Neil P, Bryan D, Irene P, Matt C, Iothian53, Steve P, Debra S, Ken L, Alberto M, Ron W, Chris L, Mark R, Alan B, Stephen J, David P, John F, Maureen R, Frank T, Craig B, Jesse A, Steven L, Ulfert B, Dave L, Stace J, S Stark, Richard K, Carol S, Stephen M, Grace M, Jeremy K, Russell W, David B, Tamara F, Robert B, Fr Bruce W, Catherine R, Nicolai B, Sean M, Nate H, Edward K, Ped, Chuck C, Jose Pablo V, Stephen S, Elizabeth W, Eric F, Tracy F, Callan R, Nils M, George, Tom G, Monika, Michael H, Tom, Sarah K, Robert S, Gerald, Jens O, Ella F, and Sarah K!Produced by Greg Moebius at WCBE Radio Columbus.Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars.