Astronomers believe the Star of Bethlehem or "Christmas Star" could have been a real event explained by something as simple ...

This happens every 13 months as Earth catches up to and passes Jupiter. Astronomers call this position opposition because the planet is exactly opposite the Sun in our sky. Like the full moon ...

Superior planets (those that lie further from the Sun than us: Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto) can reach an elongation of 180 degrees, which is called opposition; that is, they ...

13-14 July: Jupiter reaches opposition with the Sun Opposition literally means when a planet is directly opposite the Sun, when seen from Earth. This makes it more visible to us in the sky ...