An overview of the Chandra mission and goals, Chandra's namesake, top 10 facts.
Classroom activities, printable materials, interactive games & more.
Overview of X-ray Astronomy and X-ray sources: black holes to galaxy clusters.
All Chandra images released to the public listed by date & by category
Current Chandra press releases, status reports, interviews & biographies.
A collection of multimedia, illustrations & animations, a glossary, FAQ & more.
A collection of illustrations, animations and video.
Chandra discoveries in an audio/video format.
Investigating Supernova Remnants
Historic SNR

An activity that uses Chandra data to investigate several supernova remnants to determine if the supernova was a Type II core collapse or a Type Ia thermonuclear event. There are two versions of this activity; a pencil and paper version, and a version that uses the Chandra ds9 image analysis software.

  • Introduction and Background: html
  • Download instructions for ds9: html
  • Tutorial to use the ds9 software: html
  • X-Ray Spectroscopy and Supernova Remnants ds9 Version: html | PDF
  • X-Ray Spectroscopy and Supernova Remnants Pencil and Paper Version: html | PDF
  • Cas A: The Supernova as Cosmic Recycling Center: A set of 6 activities that utilizes ds9 and Chandra data to explore the science of Cas A.