user14742

23 reputation

	23 reputation	bio	website		visits	member for	6 months
2 badges		location			seen	Nov 30 '12 at 18:13

8 Actions

Nov 18	awarded	Student
Nov 17	awarded	Scholar
Nov 17	accepted	Is 2.5x speed of light possible between two objects?
Nov 17	comment	Is 2.5x speed of light possible between two objects? @Chris So in observable universe the recessional velocity of a bit more than 3c may be possible to measure between 2 objects? Higher "speeds" are "possible", but they are not part of the observable universe and therefore go to the tooth fairy category, correct?
Nov 16	comment	Is 2.5x speed of light possible between two objects? Even if I have a road where 2 cars are stationary, but the road itself is enlarging and therefore making cars get further from my standpoint, I would still contrive the speed between cars to be relative to me, not based on the odometer that shows 0 in a car.
Nov 16	comment	Is 2.5x speed of light possible between two objects? I think the formula you gave only assumes observable speed between those 2 objects fired in opposite direction looked from object A to object B. But if there is an observer in the middle, he can conclude that the total length traveled is 2 times the speed of light, correct?
Nov 16	comment	Is 2.5x speed of light possible between two objects? Wikipedia: "Recessional velocity is the rate at which an object is moving away" <- For me this counts as a speed, atleast in layman terms. I don't mind whether there have to be "observers" in the middle to get the calculation.
Nov 16	asked	Is 2.5x speed of light possible between two objects?