Imagine the Universe!
Imagine Home  |  
Explore a universe of black holes, dark matter, and quasars... A universe full of extremely high energies, high densities, high pressures, and extremely intense magnetic fields which allow us to test our understanding of the laws of physics.
For more advanced articles, try the Advanced Science page

The Basics

Start your exploration of the high energy universe here. This section includes explanations of the concepts used to study the universe.

The Electromagnetic Spectrum Multiwavelength Astronomy
X-ray Astronomy Lightcurves, Spectra, and Images
Gamma-Ray Astronomy  

Cosmic Objects

The universe is more than just stars, dust, and empty space. Explore some of the objects that make up our universe, from our own Sun to distant pulsars and black holes.

Stars Black Holes
Active Galaxies & Quasars The Sun
White Dwarfs Dark Matter
X-ray Binary Systems Neutron Stars and Pulsars
Diffuse Background Supernovae
X-ray Transients Gamma-Ray Bursts
Cosmic Rays  

Cosmic Questions

Scientific discoveries often reveal new mysteries. Take a look at a few of the mysteries that astronomers and astrophysicists are working on right now.

Origin and Destiny of the Universe Growth of Massive Black Holes
Nature of Dark Matter Dark Energy
Evolution of Known Structures The Solar Corona

The Search for Answers

A look at the tools and methods scientists use to study the high energy universe.

X-ray Telescopes Gamma-Ray Telescopes & Detectors
Spectral Analysis X-ray Detectors
Timing Analysis  

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