Einstein came to this conclusion in 1905 after experimental evidence showed that the speed of light didn't change as the Earth swung around the sun. This result was surprising to physicists because the speed of most other things depends on what direction the observer is moving.
Answers & Comments
Answer:
Einstein came to this conclusion in 1905 after experimental evidence showed that the speed of light didn't change as the Earth swung around the sun. This result was surprising to physicists because the speed of most other things depends on what direction the observer is moving.