Science Friday Science Friday

A space telescope launch + Alvin submersible check-up

Jul 17, 2026 · 17m

Summary

Host Flora Lichtman interviews Jackie Townsend about the Nancy Grace Roman Space Telescope, which is launching ahead of schedule to map dark energy and discover exoplanets. The episode also features Anthony Tarantino, who details the extensive maintenance and recertification of the deep-sea submersible Alvin. Listeners are invited to share creative hacks for reducing screen time.

Topics discussed

Sponsors and intro Roman Space Telescope launch announcement Roman telescope capabilities and design Scientific goals: dark energy, matter, and exoplanets Project management and pandemic challenges Repurposing a spy satellite mirror Launch emotions and timeline for data Sponsors and break Alvin submersible recertification process Disassembly and routine maintenance details Major upgrades and depth rating increases Future improvements and stewardship Listener call-in and outro
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