Traveling Speed of light..

Adnan wrote:

Would the length of jet you are traveling shrink by 7.1 too when you view it
from earth?

Yes; the effects are symmetrical because neither observer's inertial
frame of reference is 'privileged' over the other's.

--
Odysseus

Steve Relative to their rest mass. Bert

Steve Relative to their rest mass. Bert

Ron Miller wrote:

"Mike" wrote in message
s.com...


If someone could travel at the speed of, say, 0.99c ... can the time to
reach
the moon be calculated by t = distance / velocity ??? or would space
between
the moon and earth contract and some other formula be needed.

The space would not contract...the traveler would.

From the point of view of a 'stationary' observer on Earth, yes --
but from the traveller's perspective the ship and everything on it
would seem normal, while its surroundings would appear to be
foreshortened along the direction of its motion.

--
Odysseus

Ron Miller wrote:

"Mike" wrote in message
s.com...


If someone could travel at the speed of, say, 0.99c ... can the time to
reach
the moon be calculated by t = distance / velocity ??? or would space
between
the moon and earth contract and some other formula be needed.

The space would not contract...the traveler would.

From the point of view of a 'stationary' observer on Earth, yes --
but from the traveller's perspective the ship and everything on it
would seem normal, while its surroundings would appear to be
foreshortened along the direction of its motion.

--
Odysseus

(G=EMC^2 Glazier) wrote in news:5482-3F8386C3-
:

Steve Relative to their rest mass. Bert



But in their own frame of reference- the space ship- they _are_ at rest.
Why are they dead? Why would an accelerometer indicate something bad if
they're at a constant high percentage of c relative to some other frame of
reference- the Earth perhaps?

--
Steve Gray

(G=EMC^2 Glazier) wrote in news:5482-3F8386C3-
:

Steve Relative to their rest mass. Bert



But in their own frame of reference- the space ship- they _are_ at rest.
Why are they dead? Why would an accelerometer indicate something bad if
they're at a constant high percentage of c relative to some other frame of
reference- the Earth perhaps?

--
Steve Gray

"Steven Gray" wrote in message
...
(G=EMC^2 Glazier) wrote in news:5482-3F8386C3-
:

Steve Relative to their rest mass. Bert



But in their own frame of reference- the space ship- they _are_ at rest.
Why are they dead? Why would an accelerometer indicate something bad if
they're at a constant high percentage of c relative to some other frame of
reference- the Earth perhaps?


I think he's talking about the blueshift of star light that would turn it to
gamma ray energies and fry anything alive. Though, if he only travelled from
the Earth to the Moon, I would expect this exposure to be very short (0.18
seconds by the astronauts' clock, as someone calculated)...

--
The butler did it.

"Steven Gray" wrote in message
...
(G=EMC^2 Glazier) wrote in news:5482-3F8386C3-
:

Steve Relative to their rest mass. Bert



But in their own frame of reference- the space ship- they _are_ at rest.
Why are they dead? Why would an accelerometer indicate something bad if
they're at a constant high percentage of c relative to some other frame of
reference- the Earth perhaps?


I think he's talking about the blueshift of star light that would turn it to
gamma ray energies and fry anything alive. Though, if he only travelled from
the Earth to the Moon, I would expect this exposure to be very short (0.18
seconds by the astronauts' clock, as someone calculated)...

--
The butler did it.

Ron Miller wrote,
The space would not contract...the
traveler would.

To which Odysseus replied,
From the point of view of a 'stationary'
observer on Earth, yes -- but from the
traveller's perspective the ship and
everything on it would seem normal,
while its surroundings would appear to
be foreshortened along the direction of
its motion.

Some nice graphics here. Scroll down to 'Sample Images'-
http://hexadecimal.uoregon.edu/relativity/index.html

And a some more Relativistic Flight Simulations-
http://casa.colorado.edu/~ajsh/sr/srfs.html

oc

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