1. A key unknown in lunar science is to what extent the Moon is a melted, radially layered planet like Earth or a primordial unmelted relic of the early solar system, like many asteroids. A new era of lunar exploration is underway, offering major new insights into this decades-old question.
In this week’s podcast, planetary scientist Ben Weiss of the Massachusetts Institute of Technology reviews current understanding of the lunar interior and shares new results from spacecraft observations and studies of Apollo samples. 
Image: NASA/JPL/Galileo Spacecraft

    A key unknown in lunar science is to what extent the Moon is a melted, radially layered planet like Earth or a primordial unmelted relic of the early solar system, like many asteroids. A new era of lunar exploration is underway, offering major new insights into this decades-old question.

    In this week’s podcast, planetary scientist Ben Weiss of the Massachusetts Institute of Technology reviews current understanding of the lunar interior and shares new results from spacecraft observations and studies of Apollo samples. 

    Image: NASA/JPL/Galileo Spacecraft

Notes

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