Scientists plan to use colliding black holes to measure how fast universe is expanding - The Indian Express

Astrophysicists have developed a method for using pairs of colliding black holes to measure how fast the universe is expanding and with it, how the universe evolved and where it is going

Next to nothing can escape the strong gravitational pull of a black hole but now scientists are planning to use the collisions of black holes to understand the age of the universe and its evolution.I… [+2843 chars]

full article...