This site provides useful interactive tools for teaching astronomy and space science. It includes an Earth and Moon viewer where users can set the time and a variety of points to view the Earth and Moon. Orbits in Spacetime is an interactive program highlighting the work of Kepler and Newton. Solar System Live allows the user to view present locations of the sun and planets. Different dates, times, and locations can be entered, between 4713 BC and 8000 AD. Asteroids and comets can also be plotted on this program. Your Sky makes custom maps of the sky for any location by latitude and longitude from 4713 BC into the distant future. The program also allows users to aim a virtual telescope by selecting sky coordinates (right ascension and declination). The calendar converter tool allows the user to find different calendar dates from the Gregorian, Julian, Hebrew, Islamic, and Mayan calendars. Three Inner Planets offers tools for observing Mercury, including a Mercury finder calculator and charts for viewing. There are files of images and documents regarding the 2001 solar eclipse in Africa, the 1999 solar eclipse in the Middle East, viewing Venus, and the Moon at perigee and apogee.


  • Science > General
  • Science > Physics
  • Science > Earth Science
  • Science > Astronomy
  • Science > Physical Sciences

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