Dodging Space Debris

Who Will Take Out the Space Trash? Guest: Martin McCoustra, Professor, Engineering & Physical Sciences, Heriot-Watt University, Edinburgh With over 2,000 satellites launched since Sputnik I in 1957, the earth’s atmosphere has become crowded with space junk. Where's the clean-up crew? The Apocalypse May Be Just One Sun Flare Away Guest: Paul Sutter, astrophysicist, The Ohio State University, author, and host, "Ask a Spaceman!" YouTube channel and podcast Solar storms can impact our communications, electrical systems, and tech infrastructure, resulting in damages that can take years to recover from—and there’s not much we can do to stop one. But can we prep for a storm from space? Space Mining Guest: Martin Elvis, Senior Astrophysicist, Center for Astrophysics, Harvard University As Jeff Bezos and Elon Musk set their sights on space colonization, astrophysicist Martin Elvis is raising the question of mining in space. What’s out there? How much is there? What could we use it for? And most importantly, what happens when we run out?