An astronomical event when one celestial body moves into the shadow of another. Solar eclipses occur when the Moon passes between Sun and Earth; lunar eclipses when Earth passes between Sun and Moon. Total solar eclipses briefly turn day into night.
The curved path of a celestial object around a star, planet, or moon under gravity's influence. Orbits can be circular, ...
The different appearances of the Moon over a synodic month (about 29.5 days). The eight phases are new moon, waxing cres...
The outermost layer of the Sun's atmosphere, extending millions of kilometers. Much hotter than the surface at 1-3 milli...
Dive deeper into eclipse and related concepts on Cosmos Observatory.