Sun, Moon, and Star Systems

Front

What determines the measurement of a day on Earth?

Back

Rotation

Front

What is astronomy?

Back

The study of the universe.

Front

What is the planet closest to the sun?

Back

Mercury

Front

What force keeps the Earth in orbit around the Sun?

Back

The Sun’s gravitational pull.

Front

What determines the measurement of a full year on Earth?

Back

Revolution.

Front

What is the Moon's role in the Earth-Moon system?

Back

The Moon orbits the Earth and affects tides.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis; revolution is the orbiting of one object around another.

Front

What is a solar system?

Back

A solar system consists of a star and all the objects that orbit it, including planets, moons, asteroids, and comets.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other.

Front

What is the significance of the Earth's tilt?

Back

The Earth's tilt affects the seasons by changing the angle of sunlight received.