How Did a Plane Find the First Molecule in the Universe?

To understand the dawn of chemistry, scientists can’t use test tubes and flasks: They need a modified Boeing 747 jet. Caitlin Saks and Arlo Pérez Esquivel learn all about NASA’s unique SOFIA (Stratospheric Observatory for Infrared Astronomy) mission, and how it was used to detect the first type of molecule in the universe: helium hydride.

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