Astronomy for Beginners
Here’s where you’ll find observing guides, how-to articles and great astronomy hints and tips. Don’t forget to also check out our comprehensive astronomy dictionary.
When a planet, moon or other body enters the shadow of another. Therefore a solar eclipse is technically not an eclipse at all but an occultation of the Sun (see Occultation), or an eclipse of the Earth.
These are hot bright patches of gas in space where the impact of fast moving gas (probably from young stellar jets) on the surrounding medium creates a glowing bow shock.
Constellations that the Sun, Moon and major planets appear to pass through as the Earth moves along its orbit.