Is there a limit to how small life can be? Or how big? Neil deGrasse Tyson and Chuck Nice break down why all craters on the moon are round, the scale to life, and why the length of the day isn’t 24 hours.  NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free  here: https://startalkmedia.com/show/why-craters-are-round-size-of-life-the-real-length-of-day-tytyk/ Thanks to our Patrons THOMAS, Peter Woolridge, Bill deRome, Andrew Agee, Scott, Ronald French, Honey Bunches of Oats, Adam Tucker, Theo Packer, Suhas Thobbi, Mixtape Romeo, Mykel North, Phillips Booker, LeeAnn, Michael Maguire, Michael King, Barbora Pechová, Garner Stewart, Jonathan Granat, Alexa Birchall, Pete Bienkowski, Jonathan Whyte, Nicholas Freemyer, Autumn Dawn, Jamie Rushton, Michael S Culver, James D Hebert Jr, Anand S, Tod Byrd, Mack Farid, FullArgon, Deb Mukherjee, jaberwocky, drumbuzzyrich, Ralts, Christopher James, Edvinas Mačiulaitis, Karl Kramer, B.A., Maurits Buijs, Kel Wegesser, Steve J - LakeCountySpacePort, Stacy Smith, Len Leake, Shari Zabel, Justin McBride, Matthew Chouinard, Kevin McManus, Δημήτρης Τομπάλογλου, Dean Magauran, Nicole Barrett, Anatoly Zenkov, Elmer G., ROBERT ALLEYN, KL03, Bryan Reynoso Campos, and Caitlin for supporting us this week. Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.