Imagine the Universe!
Imagine Home  |   Teachers' Corner | HERA Overview  |  

Conclusions and Questions

  1. Read the article called Radioactive Decay in Supernova Remnants at:

    OR Download the PDF file from the PDF Files menu and print out.

  2. After reading, complete the questions below.

  1. The Compton Gamma Ray Observatory (CGRO) had a tool on board called COMPTEL. What was this tool able to detect and why was this a helpful feature?
  2. Describe the clue that helped scientists to realize that there must be another SNR in the image.
  3. Why do astronomers think that there is not historical record of this supernova?
  4. In conclusion, describe why you feel it is important to analyze data images in a range of energy levels.

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