I explain gravitational waves for the NBC News video series: 30 Seconds to Know.
All tagged 30 seconds to know
I talk about Ceres and the asteroid belt for the NBC News video series: 30 Seconds to Know.
I explain where Mars got its characteristic color from for the NBC News video series: 30 Seconds to Know.
I try to clarify what makes a supermoon super for the NBC News video series: 30 Seconds to Know.
I translate the media's favorite new term "blood moon" for the NBC News video series: 30 Seconds to Know.
I pull back the curtain on dark matter for the NBC News video series: 30 Seconds to Know.
I explain why black holes aren't a threat to Earth (for now...) the NBC News video series: 30 Seconds to Know.