I have tried to understand this concept many times. I have stumbled upon an explanation that I think fits nicely, on a general level. I will use the rocket ship situation to explain. The mass of Earth and the things on it creates a strong gravitational force where space-time is warped...
I've really been trying to understand the concept of time being relative in special relativity. I keep hearing the example of a spaceship taking off from Earth and traveling 99.999% the speed of light. It is said that possibly 200 years could pass for an observer on Earth while only days could...
I have really been trying to wrap my mind around the effects of gravity and curved space on time. Einstein said that those moving near a very massive object would experience slower time. Heres my explanation for this.
+ THe mass of the object curves and wraps spacetime, obviously causing...
Thank you Nutgeb! That explained it. So gravity cannot affect the resultant expansion of the big bang. So are you saying that gravity does affect Dark Energy?
Thank you very much. How are both of these ideas accepted today? Obviously gravity is accepted as a force, but General Relativity is also accepted as a theory...doesnt add up in my mind.
In "A Brief History of Time" Hawking questions why the expansion of the universe is accelerating. I must be missing something. If the universe is expanding, its volume is constantly increasing. If its volume is increasing its density is decreasing, so there is more space between bodies/particles...
Obviously not. But I am confused on this. Newtons laws of gravity did not fit with Einsteins Relativity theories because Newton said that a change in matter of an object would cause a shift to be felt by others in the universe because of the change in gravity. This would mean that the movement/...