Uploaded June 2012 | Updated September 2026, 1 week ago

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Continuing on, we examine the effect of a uniform gravitational field on the speed of light as seen by remote and local observers. Our solution also allows us to look at the theoretical possibility of deep space travel within a human lifetime.

Appendix video: Relativity 10b1 - some calculations: youtu.be/p5XGRRiQpKA

Relativity playlist: youtube.com/playlist?list=PLF56602BAC693237E

Powers Of Ten: youtu.be/0fKBhvDjuy0
Cosmic Voyage: youtu.be/qxXf7AJZ73A