Solar System and Gravity

Front

What is the primary force that keeps planets in orbit around the Sun?

Back

The Sun's gravitational force.

Front

What are the characteristics of the inner planets in our solar system?

Back

They are rocky and have a solid outer layer.

Front

How can the gravitational attraction between the Sun and a planet be increased?

Back

By reducing the distance between the Sun and the planet.

Front

Which planet is often referred to as Earth's 'twin'?

Back

Venus.

Front

What unique feature does Earth have that protects life?

Back

An atmosphere.

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What role does the Sun play in the solar system?

Back

It is the central star that provides gravitational force to keep planets in orbit.

Front

Name the four inner planets of the solar system.

Back

Mercury, Venus, Earth, and Mars.

Front

What is the difference between inner and outer planets?

Back

Inner planets are rocky, while outer planets are gas giants.

Front

What is the significance of gravitational force in space?

Back

It governs the motion of celestial bodies and keeps them in orbit.