Thread: Light Cone
View Single Post
dkgolfer16
#1
Dec23-08, 01:19 PM
P: 52
Just wondering about the shape of a light cone. On the attachment below, if I were standing at A and pointed a flashlight in the positive time direction, it would form the cone show, correct?

Is this cone a perfect cone? For instance, if I were standing on the north pole and pointed a flashlight up (positive time direction), wouldn't the cone become distorted as it expanded and moved through space (due to the bending of light by gravitational forces)?

Does its radius approach infinity as you move in the positive time direction?

http://en.wikipedia.org/wiki/File:Light_cone.svg
Phys.Org News Partner Science news on Phys.org
NASA team lays plans to observe new worlds
IHEP in China has ambitions for Higgs factory
Spinach could lead to alternative energy more powerful than Popeye