Month: July 2025

SIDEREAL DAY
The time it takes for Earth to rotate relative to the stars.

SOLSTICE
The point at which the Sun is at its highest or lowest in the sky.

EQUINOX
The time when day and night are approximately equal in length.

SOLAR ECLIPSE
The Moon blocking the Sun’s light from reaching Earth.

LUNAR ECLIPSE
The Earth blocking sunlight from reaching the Moon.

PLANETARY CONJUNCTION
When two planets appear close together in the sky.

CELESTIAL NAVIGATION
Navigating using the positions of celestial bodies.

RETROGRADE MOTION
The apparent backward motion of planets.

POLARIS (NORTH STAR)
A star used for navigation due to its fixed position.

OBSERVATORY AT CARACOL
A Mayan astronomical observatory in Chichen Itza.