Question

what is the einstein theory of relativity

Answer 1

Albert Einstein, in his theory of special relativity, determined that the laws of physics are the same for all non-accelerating observers, and he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels.

Answer 2

Answer:

it has two interrelated theories...

i) special relativity: it applies to all physical phenomena without gravity.

ii) general relativity: its all about gravitation and its relation with other forces.

He says that we are in a spacectime fabric, means that think about a elastic cloth when u put a metal ball in that ... the cloth streches and the ball little pulled down. like that our planets and stars also in a fabric. that means gravity.