| 'Death Spiral' Around a Black Hole Yields Tantalizing Evidence of Event Horizon: Article explains how Hubble telescope has observed the disappearance of matter. |
| A Mystery in the Galactic Center: A NASA article describing the likelihood that a black hole can be found at the center of the Milky Way Galaxy. |
| Anatomy of A Black Hole: Educational sequence suitable for high school students. |
| Ask a High-Energy Astronomer: Black Holes: Commonly-asked questions, and a way to ask an astronomer a question about black holes. |
| Black Hole FAQ: Answers to black hole questions like "How big is a black hole?" ,"How do black holes evaporate?", and "What is a wormhole?". |
| Black Holes: What is a black hole and how do we know it exists?(for K-4th graders) |
| Black Holes: Information about black holes and how we know they exist, links to glossary terms and a movie about a "Journey into a Blackhole." |
| Black Holes and Neutron Stars: 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. |
| Black Holes to Blackboards-God Divided by Zero: 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. |
| Falling into a Black Hole: 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. |
| Howstuffworks "How Black Holes Work": Black holes are some of the most amazing objects in the universe -- they may even hold many galaxies together! Learn all about them! |
| HubbleSite - NewsCenter Archive: Articles about and photos of black holes. |
| HubbleSite: Black Holes: Presents information on the properties, formation, and location of black holes. Includes an interactive voyage simulator and an encyclopedia of terms. |
| Jillian's Guide to Black Holes: Introduction to the types, formation, and environment inside and outside of black holes. |
| Naked Singularity: This site was created by Mark O'Brien and John Chang for their end-of-the-year physics project during their junior year at Clackamas High School in Milwaukie, Oregon. Their assignment was to create an informative webpage for future physics students. The result is the black hole website you see here. |
| No Escape: The Truth about Black Holes: Interactive activity designed to teach about black holes. |
| Numerical Relativity Movies: Virtual reality and informational movies on black holes. This site is associated with the National Center for Supercomputing Applications(NCSA), and is for students in middle school and above. |
| The Black Hole at the center of our Galaxy: About the 2004 discovery that the center of our galaxy holds a black hole 3.7 million times heavier than the Sun |
| The Space Place: Fall into a Black Hole: A printable board game from NASA. |
| Virtual Trips to Black Holes and Neutron Stars: Here you will find descriptions and MPEG movies that take you on trips to black holes and neutron stars. These movies are scientifically accurate computer animations using Einstein's General Theory of Relativity. |
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