Here’s a quick explanation. Imagine spacetime is a big mattress and all the heavenly bodies are about the size of golf balls and oranges and sitting on the mattress. If you place a big heavy bowling ball on the mattress those heavenly bodies closest to the bowling ball will slide down a little bit toward the bowling due to the depression caused by the bowling ball. That’s what gravity is, the curvature of spacetime due to very heavy objects. It all stems from the General Theory of Relativity.
- ...
- 486 posts total
- 486 posts total