Imagine the Universe!

Floyd's big question

What is the real unified theory of physics that describes the true nature of space-time as well as explaining the physical forces?

Einstein spent much of his life trying to pull the subatomic and universal fields together into a single, simple theory, which has been called the Grand Unified Theory (no gravity involved) or the Theory of Everything (which includes gravity). A unified theory ( offers a more elegant explanation of data and may tell us what we should study in the future.

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