Create a Meteor using the Particle System in SOFTIMAGE XSI

Basic principles of celestial navigation - James Allen

Celestron 2005

Mathcad - Astronomical Formulas Sunrise, Sunset And Twilight

Information Technology Audit Universe Model

Jean Meeus - Astronomical Algorithms-Second Edition Errata

Ebook - Astronomy - List Of Astronomical Formulas & Constants

Planetary Consciousness - Our Next Evolutionary Step by Ervin Laszlo

Image Processing in Maxim DL forSBIG Camera & CFW8A

El Universo Mecánico Resúmenes Y Otros Datos (Física)

Physics Papers - Steven Weinberg (2000), The Cosmological Constant Problems (Talk Given At Dark Matter 2000, February, 2000)

Telescope - Optical Images

Nasa - Living In The Space Shuttle

Dark Matter and Cosmic Ray Observations - C. Grimani - Istituto Nazionale di Fisica Nucleare, Perugia, 06100, Italy

Astrophotography (Level 1)

Telescope Optics 101-Part1

Arp, Halton - Association of X-ray Quasars with Active Galaxies (1997)

Arp, Halton - Evolution of Quasars into Galaxies and its Implications for the Birth and Evolution of Matter

Astrophotography_q

Hyperfocal Design - Creating a night sky from day