Front

What is the center of our solar system?

Back

The Sun is at the center of our solar system.

Front

Which planet has the longest orbit around the Sun?

Back

Neptune has the longest orbit among the planets.

Front

What is the term for the equal length of day and night that occurs in fall and spring?

Back

Equinox.

Front

What affects the force of gravity between two objects in space?

Back

The force of gravity is affected by mass and distance.

Front

What is the path one object takes around another called?

Back

Orbit.

Front

What is gravity?

Back

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

Front

How does the mass of an object affect its gravity?

Back

More massive objects exert a stronger gravitational pull.

Front

What is the difference between inner and outer planets in terms of composition?

Back

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

Front

What is a satellite?

Back

A satellite is an object that orbits a planet.

Front

What is the term for the time it takes for a planet to complete one full orbit around the Sun?

Back

Orbital period.