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Why every thing moves in straight line in space-time? I mean, is even the earth revolving in straight line around the sun? How can we practically imagine this situation?

Why every thing moves in straight line in space-time? I mean, is even the earth revolving in straight line around the sun? How can we practically imagine this situation?

Grade:11

1 Answers

Arun
25750 Points
5 years ago

Sure the sun travels around the Earth. The only problem is mixing up absolutes and relatives. That always leads to trouble if you're not perfectly clear on what you're using...

 

It's like mixing up metric and imperial units when designing a robot to go to Mars

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