Earth's Days, Years, Seasons

Front

What is a Solstice?

Back

A Solstice is an event in which the area of sunlight is at a maximum in one hemisphere and at a minimum in the other hemisphere.

Front

In which direction does the sun appear first if Earth rotates in retrograde motion?

Back

The sun will appear first in the East.

Front

What is a Day?

Back

A Day is the time it takes for a planet to complete one full rotation on its axis.

Front

How does the angle of sunlight change as Earth moves in its orbit?

Back

The angle at which the sun's rays strike each part of Earth's surface changes as Earth moves in its orbit.

Front

What is the term for the motion of a body that travels around another body?

Back

The motion is called an orbit.

Front

What is Revolution in terms of planetary motion?

Back

Revolution is the motion of a planet traveling around another body, such as the Earth revolving around the Sun.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of a planet on its axis, while revolution is the movement of a planet around another body.

Front

What causes the change of seasons on Earth?

Back

The tilt of Earth's axis and its orbit around the Sun cause the change of seasons.

Front

What is an Equinox?

Back

An Equinox is an event where day and night are approximately equal in length, occurring twice a year.

Front

How long does it take for Earth to complete one revolution around the Sun?

Back

It takes approximately 365.25 days for Earth to complete one revolution around the Sun.