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ibiblio > Collection Index > Natural Science and Mathematics > Astronomy

Celestial Matters
A site for software, artwork, space, science and fun:
Contribute to development, workshops and publications of software, artwork and high resolution 3d modelling. With tutorials, articles and discussion on space exploration, cosmology and related software development.

GetWiki
GetWiki is a wiki document collaboration and discussion site for a wide variety of intellectual topics in the Humanities and Sciences, from Metaphysics to Metadata, Philosophy to Technology. The wiki runs on the latest GetWiki collaboration software.

hpcalc.org
Welcome to hpcalc.org (http://www.hpcalc.org), the premier source of free software for and information about the HP 50, HP 49, HP 48, and HP 28 RPN programmable graphic calculators and the HP 38G, HP 39, and HP 40 programmable graphic calculators, with 6512 files by 1986 authors and 1792 screenshots totaling 639.29MB.

NASA'S educational media archive
NASA Video Archives K-16 Science Education Programs Videos, 1998 – 2005, viewable

North Carolina Section of the International Dark-Sky Association
The North Carolina Section of the International Dark-Sky Association represents North Carolina's first significant consolidated effort to reduce the sources of light pollution and light trespass in our local skies. We are losing our heritage of starry night skies. Terrestrial lights shining inefficiently into the night sky threaten to destroy the spectacular views the heavens offer. Even worse, this "light pollution" wastes energy and provides no benefit to society.

The Celestia Motherlode
This site is based around Celestia, a free, 3-D, real-time space simulator. Celestia is an awesome experience for anyone interested in physics, astronomy, or cosmology. The Motherlode is a collection of surface textures, models and astronomical data, which enables Celestia users to easily create their own detailed, realistic copies of the known (and imagined) universe.

Virtual AGC
Virtual AGC is an emulation of the Apollo Guidance Computer (AGC) used in the Apollo Command Modules and Lunar Modules in 1968-1972. The project includes an emulated CPU, an emulated display/keyboard (DSKY), the AGC's original executable binaries and machine-readable assembly-language source code (Luminary and Colossus), AGC source code for a CPU validation suite, an AGC assembler, scanned Apollo documentation, and other elements. The emulated CPU has been designed to be modular and portable, to facilitate incorporation into spacecraft simulations such as lunar-lander simulations.