Things You Thought You Knew – Is Everything Light?
From StarTalk Radio by Neil deGrasse Tyson
May 12, 2026 · 43 min · Season 17 · Episode 28
About this episode
Neil deGrasse Tyson and Chuck Nice explore the nature of light, including its reflectivity and the effects of light pollution.
How bright is the Earth from the moon? Neil deGrasse Tyson and Chuck Nice have fun with the sun’s reflectivity, discuss light pollution, and explore the electromagnetic light spectrum: how does sunscreen work?
People in this episode
Host: Neil deGrasse Tyson
Guest: Chuck Nice
Topics covered
- light
- light pollution
- electromagnetic spectrum
- reflectivity
- sunscreen
Keywords
- light
- Earth
- moon
- sun
- sunscreen
- light pollution
- electromagnetic spectrum
Mentioned in this episode
Organizations: Earth, moon, sun, sunscreen
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