Credits

The Earth imagery is based on a composite of Earth satellite imagery, Copyright © 1996, The Living Earth, Inc./Earth Imaging, All Rights Reserved, developed by The Living Earth, Inc., 1526 14th Street, #106, Santa Monica, CA 90404.

The imagery of the Moon originated from the Lunar Albedo database created by the U.S. Geological Survey Flagstaff Field Center from imagery returned by the BMDO/NASA Clementine lunar orbiter.

Star imagery (9000+ stars) is based on the Yale Bright Star Catalogue, 5th Revised Ed. (Hoffleit, Warren 1991).

City, constellation and star name data as well as image shadow composite work complied by John Walker.

Galactic charts derived from the Multiwavelength Milky Way data at the Astrophysics Data Facility, NASA.

Astronomical algorithms are based on Jean Meeus' book, Astronomical Algorithms, with code Copyright © 1991-1994 by Jeffrey Sax, distributed by Willmann-Bell, Inc. P.O. Box 35025, Richmond, VA 23235, book serial #029497, software serial #56701.

ORBIT! VRML CGI modeling engine, VRML code, and ORBIT! web site Copyright © 2008 MegaNova 5650 West 4100 South #159, West Valley City, UT 84128

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