When amateur astronomer Richard Carrington gazed through his telescope on the morning of September 1st, 1859, he noticed something weird about the surface of the sun -- it seemed to have clusters of dark spots. Later historians would recognize this as the earliest observation of a solar flare -- and a little less than 18 hours later, the associated coronal m ... Show More
Jan 31
CLASSIC: Operation Gunnerside: How a Crew of Military Skiers Ruined the Nazi Bomb
What's the weirdest wartime heist you've ever heard of? In today's Classic episode, Ben, Noel and Max return to one of their favorites: On February 27, 1942, nine saboteurs set out in the middle of the night to blow up a Nazi-controlled heavy water plant in Norway. This operation ... Show More
26m 59s
Jan 29
The Thai Restaurant Conspiracy
Despite being a relatively small country, the South East Asian nation of Thailand is famous across the planet for its unique, delectable cuisine. Heck, nowadays in the United States almost everyone is just a stone's throw away from a Thai restaurant -- so, how did we get here? Wh ... Show More
44m 5s
Jan 28
The Ridiculous History of Ping Pong
Whether you call it table tennis, whiff-whaff or ping pong, there's no denying this fun sport of "tennis for the home" has become a global phenomenon. But where did it come from? In today's episode, Ben, Noel and Max find out.See omnystudio.com/listener for privacy information.
50m 55s
May 2022
When Our Star Erupts - The 1859 Solar Storm And More
In 1859, astronomer Richard Carrington was studying the Sun when he witnessed the most intense geomagnetic storm recorded in history. The storm, triggered by a giant solar flare, sent brilliant auroral displays across the globe causing electrical sparking and fires in telegraph s ... Show More
12m 12s
Feb 2024
Exploring solar eclipses through time
<p>This week on Planetary Radio, we delve into the evolution of humanity's relationship with one of our planet's most awe-inspiring phenomena: total solar eclipses. Ed Krupp, the director of Griffith Observatory in Los Angeles, will share insights from the fascinating field of ar ... Show More
52m 8s
Oct 2021
SYMHC Classics: Tunguska Event
This 2018 episode covers an even from June 30, 1908, when at approximately 7:15am, the sky over Siberia lit up with what was described by witnesses as a massive fireball, or the sky engulfed in fire. For the last century, scientists have been trying to figure out exactly what hap ... Show More
26m 42s