Imagine the Universe!
Imagine Home | Science | Advanced Science | 

Diffuse Background Quiz

  1. Above 1 keV, what is the dominant source of the soft X-ray background emission?

  2. What major contribution to the study of the SXRB has come from ROSAT data?

  3. It is easier to understand SXRB between .5 keV and 1 keV than it is at lower energies.

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