Exploring the Reason for Universe's Red-Shift

[meteor]

Here's the formula for gravitational redshift in scienceworld. Curiously, is different from all the others formulae showed in this thread
http://scienceworld.wolfram.com/physics/GravitationalRedshift.html

 

[shrumeo]

playing around with some numbers and plugging them into that eq. makes it seem more correct than the others.

dividing 1 by all the stuff under the root, then subtracting 1 makes for really small redshifts, even for really dense objects

the formula you found makes the grav. redshifts more dramatic

maybe someone better at math than me can mold the formula at the bottom here http://world.std.com/~sweetser/quaternions/gravity/redshift/redshift.html#red.escape

into a kiddie formula for the rest of us (well, ok, just me)