How do you make a numerical model that shows the motion of the Earth-Sun-moon system? Here, I use vpython to create the calculation.

The relative rotation of the Earth, moon, and sun is about 97 percent accurate in this working Lego orrery.

In the next part of your investigation, you will create a Sun-Earth-moon system outside and discover your own solar eclipse model. Measure the distances between the bodies and check the accuracy of ...

The moon, Earth's closest neighbor, is among the strangest planetary bodies in the solar system. Its orbit lies unusually far away from Earth, with a surprisingly large orbital tilt ...

Get your scrolling hand ready. An interactive web page has created a scale model of the solar system, where the moon is the size of just one pixel.

The geocentric model is a debunked theory that the Earth is the center of the universe, with the sun and planets revolving around it.

Using a laser to measure the distance between the Earth and the moon Today, the latest improvements in laser measuring system technology (Lunar Laser Ranging) enable precise measurement of the ...