Copyright (c) 1995, Research Systems, Inc.
All rights reserved. Unauthorized reproduction prohibited.

IDL is a registered trademark of:

RESEARCH SYSTEMS, INC.
2995 Wilderness Place
Boulder, Colorado  80301
USA
(303) 786-9900  Fax (303) 786-9909

All other brand or product names are trademarks
of their respective owners.

The Numerical Recipes algorithms
used in IDL were taken from the book
"Numerical Recipes in C,
The Art of Scientific Computing"
(second edition) by:
   William H. Press, Saul A. Teukolsky,
   William T. Vetterling, Brian P. Flannery.

Venus radar data from the Magellan probe courtesy
of the Jet Propulsion Laboratory and VEXCEL Corp.

Mantle convection data courtesy of NCSA.

Solar flare image courtesy of Lockheed's Solar &
Astrophysics Laboratory and Japan's Yohkoh satellite.

Introduction text adapted from "THE OUTER LIMITS"
television series.

The IDL Tour was written by Daniel Carr.