Universe Review 24-25

Front

What is the solar system?

Back

The solar system is a collection of celestial bodies, including the sun, planets, moons, asteroids, and comets, that are bound by gravity and orbit the sun.

Front

Where is our solar system located?

Back

Our solar system is located on an arm of the spiral-shaped Milky Way galaxy.

Front

What causes day and night on Earth?

Back

Day and night are caused by the rotation of Earth on its axis.

Front

What are the two main factors that cause the seasons?

Back

The seasons are caused by Earth's tilt and its revolution around the sun.

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 make one complete revolution around the sun.

Front

What is rotation in terms of Earth?

Back

Rotation refers to the spinning of Earth on its axis, which takes about 24 hours to complete.

Front

What is revolution in terms of Earth?

Back

Revolution refers to the movement of Earth around the sun, taking about 365.25 days to complete one orbit.

Front

What is the Milky Way galaxy?

Back

The Milky Way galaxy is a spiral galaxy that contains our solar system and billions of other stars and their planets.

Front

What is the significance of Earth's tilt?

Back

Earth's tilt is significant because it affects the angle of sunlight received at different latitudes, leading to the changing seasons.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis, while revolution is the orbit of Earth around the sun.