Extinct Civilizations
Neil explains how it is possible to observe an extinct civilization through a telescope, as the light from their planet takes time to reach us. He also shares an interesting insight about Superman's age and the star system where his home planet, Krypton, might have been located.In this clip
From this podcast

The Jordan Harbinger Show
521: Neil deGrasse Tyson | Cosmic Queries for the Acutely Curious
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?