time and space

[*puffy* japanisthebest]

lets say there are 2 people named gracie and george, gracie is 60 light years away and (george is slow)george takes 3 years to get on a jet pack and he goes 553million miles an hour so it takes 3 years to get to gracie will 6 years pass for him and 60 years pass for her

 

 

 

 

if you are right above the event horizon of a black hole no time will pass for you

 

 

nomatter how fast you are going light will always trave 650 million light years for YOU

 

 

 

are these true

Edited May 11, 2011 by smoke*rise

[Spyman]

Time dilation is an observed difference of elapsed time between two observers which are moving relative to each other, or being differently situated from nearby gravitational masses. An observer will see the other observer's clock ticking at slower rate than his/hers. This effect doesn't arise from technical aspects of the clock or the fact that any signal needs time to propagate, but from the nature of space-time described by theory of relativity.

http://en.wikipedia.org/wiki/Time_dilation

 

In physics, length contraction - according to Hendrik Lorentz - is the physical phenomenon of a decrease in length detected by an observer of objects that travel at any non-zero velocity relative to that observer. This contraction (more formally called Lorentz contraction or Lorentz-Fitzgerald contraction) is usually only noticeable at a substantial fraction of the speed of light; the contraction is only in the direction parallel to the direction in which the observed body is travelling. This effect is negligible at everyday speeds, and can be ignored for all regular purposes. Only at greater speeds does it become important.

http://en.wikipedia.org/wiki/Length_contraction

 

 

If George is 60 lightyears apart from Gracie then it will take 60 years for a lightsignal to traverse from George's starting point to Gracie and it will take almost 73 years for George to travel there according to Gracies clock. However according to George the distance to Gracie is below 34 lightyears and therefore it only takes a little over 41 years to get there, according to his clock.

(553 million miles an hour is 153 611 miles per second and lightspeed is 186 282 miles per second)

 

 

To a distant observer, clocks near a black hole appear to tick more slowly than those further away from the black hole. Due to this effect, known as gravitational time dilation, an object falling into a black hole appears to slow down as it approaches the event horizon, taking an infinite time to reach it. At the same time, all processes on this object slow down causing emitted light to appear redder and dimmer, an effect known as gravitational redshift. Eventually, at a point just before it reaches the event horizon, the falling object becomes so dim that it can no longer be seen.

 

On the other hand, an observer falling into a black hole does not notice any of these effects as he crosses the event horizon. According to his own clock, he crosses the event horizon after a finite time, although he is unable to determine exactly when he crosses it, as it is impossible to determine the location of the event horizon from local observations.

http://en.wikipedia.org/wiki/Black_hole#Event_horizon

 

 

The speed of light, usually denoted by c, is a physical constant important in many areas of physics. Its value in vacuo (in a vacuum) is exactly 299,792,458 metres per second (approximately 186,282 miles per second). It is the maximum speed at which all energy, matter, and information in the universe can travel.

...

The speed at which light waves (or any wave for that matter) propagates in a vacuum (or otherwise) is independent both of the motion of the wave source and of the inertial frame of reference of the observer.

http://en.wikipedia.org/wiki/Speed_of_light