Orbital and Rotational Motion Concepts

Front

Eclipse

Back

An event in which one astronomical object casts a shadow on another or crosses our line of sight to the other object.

Front

True or False: The southern hemisphere experiences the opposite seasons from the northern hemisphere

Back

True

Front

Revolution

Back

The orbital motion of one object around another.

Front

Solar Eclipse

Back

An event that occurs when the Moon’s shadow falls on Earth, which can happen only at a new moon. A solar eclipse may be total, partial, or annular.

Front

Equinox

Back

The midpoint between solstices, when day and night are approximately equal in length.

Front

Rotation

Back

The spinning of an object around its own axis.

Front

Solstice

Back

The time when the Sun is at its greatest distance from the celestial equator, resulting in the longest and shortest days of the year.

Front

Orbit

Back

The curved path of an object around a star, planet, or moon.

Front

Lunar Eclipse

Back

An event that occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.

Front

Gravity

Back

The force that attracts two bodies toward each other, proportional to their masses and inversely proportional to the square of the distance between them.