Things You Should Know, with John Matthews
The 'Big Splat' theory: Earth once had 2 moons, until they collided
The Eureka City Council moved forward yesterday with a process of gathering public input to help guide recruitment and hiring of a new police chief. Agriculture Secretary Tom Vilsack says the government hopes to find the source of a salmonella outbreak linked to ground turkey “very, very” soon. Astronomers now think Earth once had two moons.
Listen to this episode
The 'Big Splat' theory: Earth once had 2 moons, until they collided