Where does the sky end?

Update: 2024-05-17

Description

Where is the border between sky and space? That's what 5-year-old Matthias of Durham, New Hampshire wants to know. Alesandra, 3 of Bella Vista, Arkansas wants to know why we can't hold air. In this episode from 2020, we’re joined by anthropologist Hugh Raffles, a professor at The New School, and by astronomer John O'Meara, chief scientist at the Keck Observatory. And we have special scoring by cellist Zoë Keating.

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