Mayan Astronomy

StarCalc is the fastest professional astronomy planetarium and star mapping program today. It illustrates star positions of any instance of the day observed from any geographic locations on the Earth. The star positions can be viewed and presented as images of semi spherical whole sky or any of...

A comprehensive astronomy / space / satellite-tracking package. It allows you to view: An earth map, showing day and night regions, location of the Moon and current phase, and position of a selected earth satellite. Panel showing positions of planets and a selected asteroid or comet, both...

Astro::Constants is a Perl module that contains physical constants for use in Astronomy. SYNOPSIS use Astro::Constants::CGS qw(:long); print "The Schwarzschild radius of the sun is ", 2 * GRAVITATIONAL * SOLAR_MASS / LIGHT_SPEED ** 2, " centimetresn"; or use Astro::Constants::MKS...


Platforms: *nix

Simulation of coded aperture imaging systems used in gamma astronomy. This is the subject of my preparatory class personal work (TIPE in french). For more information about coded aperture imaging systems, see this site.


Platforms: Mac

InterCal is a date conversion program and perpetual calendar. It is not a personal appointment calendar.The program displays calendars, one month at a time, for any month of any year in any of nine implemented calendar systems. For each day, the corresponding date in any other system can be...


Platforms: Mac

Screensaver based upon the Astronomy Picture of the Day web site (Robert Nemiroff [MTU] & Jerry Bonnell [USRA]).


Platforms: Mac

The WorldWide Telescope (WWT) is a Web 2.0 visualization software environment that enables your computer to function as a virtual telescope-bringing together imagery from the world's best ground- and space-based telescopes for the exploration of the universe. WWT blends terabytes of images,...


Platforms: Windows, Windows Vista, 7

A complete and accessible astronomy experience is in store -- with real-time sky, comprehensive reports, arcsecond accuracy, and exciting features such as animation and live tracking. Adastra's powerful search encompasses planets, comets, asteroids, DSOs, and a multitude of stars, making...


Platforms: Windows

Excitement and riches untold lie ahead in Africa, the Mayan jungles and the Far East. Snowy will have to pack his wits, however, so he can outsmart the agile gorillas, clever snakes and other new enemies that populate these danger-filled lands. When he’s not dodging adversaries, he’ll be...


Platforms: Windows

From Montreal to the Mayan Riviera, work with April to take your travel agency to new heights. Put together dream vacation packages in the agency, fill up your charter flights, and travel with customers to a variety of exotic locations to ensure they experience the time of their lives. Serve...


Platforms: Windows

Help Anny organize a farm and solve the mystery of Mayan’s tribe! Hire workers, take care of them and improve their professional skills. Cook delightful dishes from grown organic products and earn money selling them. Build, decorate and expand your farm to attract new customers in this fun and...


Platforms: Windows

General purpose scientific framework and its astronomy samples


Platforms: Windows, Mac, Linux

A set of cross-platform tools for connecting via TCP/IP to the VOEvent transient astronomy alert network. Tools include a receiver/broker, a sender/publishing tool, and a VOEvent message checker. Runs on Linux, Mac OS X and Microsoft Windows.


Platforms: Windows, Mac, Linux

A PHP module to help perform advanced astronomical computations, such as planetary positions like those published in the astronomical almanacs.


Platforms: Windows, Mac, Linux

About AutoAPOD A great new system extension that allows your Mac OS X computer to instantly download a great Astronomy picture daily. Explore the beauty of the cosmos from the comfort of your own home or office. What is AutoAPOD? APOD stands for Astronomy Picture Of the Day. It is a web site...


Platforms: Mac

A Lambert-orbital boundary value problem can be stated as"Find the orbit/trajectory of a spacecraft that flies from position [r1] to [r2], taking a time [tf] and making [m] complete orbits before arriving at [r2]. "The solution to each Lambert-problem is NOT unique; one can travel to [r2] via the...


Platforms: Matlab

The Ejs Celestial Globe model simulates the Two Sphere Universe theory of the Ancient Greeks. This theory supposes the stars to be fixed on the surface of a Celestial Sphere, with the spherical Earth at the center of this sphere. The simulation shows the motion of Sun and stars in this model, as...


Platforms: Mac

The EJS Earth Orbit model illustrates the Copernican theory of Earth's orbit around the sun. The top window shows a view from outside the celestial sphere. The simulation shows the moving Earth along with its axis or rotation and the line of sight from Earth, through Sun, to the Celestial Sphere....


Platforms: Mac

Astronomy is the science of celestial objects and phenomena that originate outside the Earth's atmosphere, such as stars, planets, comets, auroras, galaxies, and the cosmic background radiation. It is concerned with the formation and development of the universe, the evolution and physical and...


Platforms: Mac

The Astronomical Parallax 2D Model illustrates the phenomenon of parallax in astronomy. Parallax is the apparent displacement of an object relative to the background that is caused by the motion of the observer (rather than the motion of the object itself, or of the background). This simulation...


Platforms: Mac