Uploaded October 2025 | Updated September 2026, 2 weeks ago
Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to weather the Sun’s worst days.
Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur
Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.
Visit our Website: isaacarthur.net
Join Nebula: go.nebula.tv/isaacarthur
Support us on Patreon: patreon.com/IsaacArthur
Support us on Subscribestar: subscribestar.com/isaac-arthur
Facebook Group: facebook.com/groups/1583992725237264
Reddit: reddit.com/r/IsaacArthur
Twitter: twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: discord.gg/53GAShE
Credits:
Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star
Written, Produced & Narrated by: Isaac Arthur
Graphics: Mafic Studios, Sergio Botero
Select imagery/video supplied by Getty Images
Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound epidemicsound.com/creator
Chapters
0:00 Intro
1:07 What Are Solar Flares and CMEs?
4:18 Frequency and Solar Cycle
7:42 Consequences for Earth
10:17 Extreme Scenarios
13:10 Nebula
14:50 Shielding Earth – Detection, Defense, and Delay
20:58 Closing Reflections
Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to weather the Sun’s worst days.
Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles
Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur
Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur
Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.
Visit our Website: isaacarthur.net
Join Nebula: go.nebula.tv/isaacarthur
Support us on Patreon: patreon.com/IsaacArthur
Support us on Subscribestar: subscribestar.com/isaac-arthur
Facebook Group: facebook.com/groups/1583992725237264
Reddit: reddit.com/r/IsaacArthur
Twitter: twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: discord.gg/53GAShE
Credits:
Solar Flares and Coronal Mass Ejections - Defending Earth from Our Own Star
Written, Produced & Narrated by: Isaac Arthur
Graphics: Mafic Studios, Sergio Botero
Select imagery/video supplied by Getty Images
Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound epidemicsound.com/creator
Chapters
0:00 Intro
1:07 What Are Solar Flares and CMEs?
4:18 Frequency and Solar Cycle
7:42 Consequences for Earth
10:17 Extreme Scenarios
13:10 Nebula
14:50 Shielding Earth – Detection, Defense, and Delay
20:58 Closing Reflections
