Cosmic Light Curves
Neil explains how light could travel around the universe in certain geometries, touching on the cosmic microwave background as a snapshot of the universe's early days. Chuck and Neil discuss the concept of setting up mirrors in space to view Earth's past, touching on the limitations of traveling at the speed of light.In this clip
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Related Questions
Has anyone spoken about how we can see light from a long time ago despite the universe expanding at the speed of light in the episode 521: Neil deGrasse Tyson | Cosmic Queries for the Acutely Curious and the clip Extinct Civilizations?
Has anyone spoken about how we can see light from a long time ago despite the universe expanding at the speed of light in the episode 521: Neil deGrasse Tyson | Cosmic Queries for the Acutely Curious and the clip Extinct Civilizations?