While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

The aim of this project is to explain how to calculate a planet position at certain moment of time, knowing all 6 mandatory orbit elements of that planet. Mathematics explained with mathematical ...

Planetary motion across the sky has been of interest to human beings for many centuries. It is important to understand that in astrology, the passages of the planets from one sign to another ...

A planetary parade takes place when multiple planets align along the same region of the sky, visible from Earth.

This code was written in the mid 90s, for pure fun and as just an exercise. This SDL wrapper, only tested under GNU/Linux, is the only platform-dependent code, and is implemented in files mode13h.h ...