Defending Earth

Start Forging New Worlds: Use Coupon Code ISAAC for 51% off any yearly premium subscription to World Anvil. The galaxy is an immense and mysterious place we may one day explore and settle, but for now, we have only one planet, and the galaxy holds many dangers, so what can we do to defend Earth? Join this channel to get access to perks: Visit our Website: Join Nebula: Support us on Patreon: Support us on Subscribestar: Facebook Group: Reddit: Twitter: on Twitter and RT our future content. SFIA Discord Server: Credits: Defending Earth Episode 442; April 11, 2024 Produced, Written & Narrated by: Isaac Arthur Editors: Jon Dagle Rod Pyle Dale Skran Graphics: Jeremy Jozwik Ken York Mihail Yordanov Sergio Botero Music Courtesy of Epidemic Sound Stellardrone, “Red Giant“, “Ultra Deep Field“ Sergey Cheremisinov, “Labyrinth“, “Forgotten Stars“ Taras Harkavyi, “Alpha and ...“ Miguel Johnson, “So Many Stars“ 00:00 Intro 3:43 Development & Detection 6:04 Asteroids 16:30 Rogue Spaceship 19:12 Orbital Bombardment 21:05 Solar Flares & Coronal Mass Ejections 23:18 Supernova & GRB shield 27:47 Rogue Planet 30:20 Ejected Black hole 32:56 Von Neumann swarm 35:22 RKMs & Nicoll Dyson Beams 36:35 Alien Armada Correction: 28:46 10,000 squared = 100 Million, not 10 million.