Imagine the Universe!
Basic X-ray Astronomy icon

Welcome to the World of X-ray Astronomy

Standards Button

Level 1 topics include:

  • How X-rays Were Discovered
  • How Astronomers Observe X-rays Emitted by Cosmic Sources
  • The Kinds of Objects in the Universe that X-ray Astronomers Observe

Level 2 topics include:

  • History of X-ray Astronomy
  • X-ray Telescopes
  • X-ray Detectors
  • Targets of X-ray Astronomy Observations

Take Me to Level 1 Information

Take Me to Level 2 Information

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