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Eclipse Vocabulary

18 terms covering eclipses

TermDefinition
Eclipse When one celestial body moves into the shadow of another.
Solar Eclipse When the Moon passes between the Earth and the Sun, blocking sunlight from reaching Earth.
Lunar Eclipse When the Earth passes between the Sun and the Moon, causing Earth’s shadow to fall on the Moon.
New Moon The Moon phase during which solar eclipses can occur (Moon between Earth and Sun).
Full Moon The Moon phase during which lunar eclipses can occur (Earth between Sun and Moon).
Umbra The darkest part of a shadow where the light source is completely blocked.
Penumbra The lighter, outer part of a shadow where the light is only partially blocked.
Partial Eclipse When only part of the Sun or Moon is covered by the shadow.
Total Eclipse When the entire Sun or Moon is covered by the shadow.
Annular Eclipse A type of solar eclipse where the Moon is too far from Earth to completely cover the Sun, leaving a “ring of fire.”
Perigee The Moon’s closest point to Earth during its elliptical orbit.
Apogee The Moon’s furthest point from Earth during its elliptical orbit.
Orbit The path an object takes as it moves around another object in space.
Alignment When the Sun, Moon, and Earth line up, allowing an eclipse to occur.
Syzygy A fancy term for when three celestial bodies line up in a straight line, as in an eclipse.
Path of Totality The narrow path across Earth’s surface where a total solar eclipse is visible.
Corona The outer atmosphere of the Sun, visible during a total solar eclipse.
Duration The length of time the eclipse lasts at a given location.
Created by: user-1981613
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