Space: Black Holes

A NASA article describing the likelihood that a black hole can be found at the center of the Milky Way Galaxy.

Educational sequence suitable for high school students.

Commonly-asked questions, and a way to ask an astronomer a question about black holes.

Answers to black hole questions like "How big is a black hole?" ,"How do black holes evaporate?", and "What is a wormhole?".

What is a black hole and how do we know it exists?(for K-4th graders)

Information about black holes and how we know they exist, links to glossary terms and a movie about a "Journey into a Blackhole."

Offers a non-technical discussion about black holes and neutron stars. Topics include what they are, how they are form, and how to detect them.

Laying your hands on a black hole is hard (and dangerous) to do, but there are ways to understand these objects and avoid the pain of dimension-bending.

Fall into a black hole on a real free fall orbit. All distortions of images are real, both general relativistic from the gravitational bending of light, and special relativistic from the near light speed orbit.

Black holes are some of the most amazing objects in the universe -- they may even hold many galaxies together! Learn all about them!