Lunar Nodes

DefinitionThe Lunar Nodes are the two points where the Moon’s orbital path crosses the ecliptic, the Sun’s apparent path through the zodiac....

Saros Cycle

DefinitionThe Saros Cycle is an astronomical period of approximately 18 years, 11 days, and 8 hours that links eclipses with similar geometric...

DefinitionA hybrid eclipse is a rare solar eclipse that appears annular from some locations along its path and total from others. The...

DefinitionA partial eclipse occurs when the Sun, Moon, and Earth align closely but not completely, leaving only part of the eclipsed body...

DefinitionA total eclipse occurs when one celestial body is completely obscured by another or passes fully into its shadow. During a total...

DefinitionAn annular eclipse is a solar eclipse in which the Moon passes directly between Earth and the Sun but appears too small...