Hollow Moon

TBD 

TBD 

To us Earthlings, the moon is the ultimate cosmic chameleon. It’s always changing! Some nights it’s waxing, some nights waning, one day it’s full, and just two weeks later, it looks like there’s no moon at all. This is called a new moon, when the face of the moon is entirely in s ...  Show more

What physical processes have shaped the Moon? In this lecture, I describe the surface features of the Moon (the Maria and Highlands), how crater density tells us the relative ages of terrains, and what we have learned about Moon rocks returned by astronauts and robotic probes. I ...  Show more

Why has the moon fascinated humans for so long? The moon in culture, how it affects life on Earth and what the moon is really like. Originally broadcast 21 July 2014. 

One of the best things about looking up at the night sky is gazing at our big, beautiful moon. But why do we get to have all the fun? Can a moon have its own moon? Harvard graduate student Chantanelle Nava helps us understand. Do you have a Moment of Um question for us that’s tot ...  Show more