View Post

In the Hole

In Black Holes by Brian Koberlein1 Comment

The idea of a white hole as an anti-black hole sometimes gets mentioned, but white holes aren’t real. They are the result of taking the mathematics relativity beyond its usefulness.

View Post

On the Edge

In Black Holes by Brian Koberlein2 Comments

A black hole is normally defined in terms of its event horizon, but there are actually different kinds of horizons a black hole can have. This becomes particularly important when dealing with dynamic black holes.

View Post

Star Killer

In Black Holes by Brian Koberlein0 Comments

Primordial black holes are hypothetical micro-black holes that some have thought could solve the dark matter problem. New research argues that if such black holes exist they could collide with neutron stars, destroying them. The fact that we haven’t seen any such events further supports the idea that primordial black holes cannot solve the dark matter problem.

View Post

Space Detective

In Black Holes by Brian Koberlein3 Comments

A research team studied photographic plates from the Harvard College Observatory. From the plates they were able to gather about 500 historical data points. This allowed them to prove that two supermassive black holes are orbiting each other.

View Post

A Short Period

In Black Holes by Brian Koberlein0 Comments

In the center of our galaxy, only 27,000 light years away, lies a supermassive black hole. Some of the strongest evidence of this black hole is the observation of stars closely orbiting it. Recently in Science a new star, S0-102, was announced with an period of 11.5 years.