Imagine the Universe!
Imagine Home | Science |

Dark Matter Quiz

  1. We know that Dark Matter exists because we have found some here on Earth, and its name comes from its almost black color.

  2. Scientists can deduce the presence of Dark Matter from:


  3. How much more material is there in clusters of galaxies than we would expect from the galaxies and hot gas we can see?


Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

DVD Table of Contents
Educator's Index