Science

Asynx Planetarium

See the brightest 2500 stars, all 88 constellations, all nine planets and the moonphase from 1600 AD to 9999 AD from any location on earth. Click star on screen for detailed information. Geocentric and heliocentric views also available. Define your own five locations for quick switch. Tiny program, but great planetarium, especially for teachers and students. Print todays night sky! Nice visuals, smooth animation, simple controls, good planet data.

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Home Planet

A comprehensive Earth and sky simulator for Windows which displays the Earth, tracks satellites, asteroids, and comets, includes an extensible multimedia object catalogue, a simulated telescope for viewing the sky at any magnification or location, a database of more than a quarter million stars, and a complete hypertext help file and introduction to astronomy linked to the components of the program. Displays include the illuminated portion of the Earth, the Sky, the Telescope, the Earth as viewed from a satellite, the Moon, or the Sun, an orrery, panels displaying current information about the Moon and planets, and more. Real-time astronomical information can be exported to other applications via DDE.

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