Planets: Their properties and characteristics

It is the planet farthest from the Sun.

Answer explanation

Neptune has a distance of 30.1 AU from the Sun.

It is the hottest planet in the solar system.

Which planet in the solar system has the shortest period of revolution? How about the longest?

• Mercury - Neptune

• Mars - Neptune

• Venus - Uranus

• Mercury - Uranus

It is the force that holds together a planet and is affected by size, mass, and density of a planet.

These are planets with solid surfaces.

These are planets with no solid surfaces.

Which does not belong to the group?

• Mercury

• Saturn

• Venus

• Mars

Which planet does not belong to the group?

• Earth

• Mercury

• Saturn

• Neptune

Answer explanation

Earth is the only habitable planet in the solar system. The other planets are not suitable for living.

What is the gravitational pull of Earth?

• 9.8 m/s^2

• 9.8 m/s

• 8.9 m/s^2

• 8.9 m/s

How far is the Earth from the Sun?

• 150 million km

• 140 million km

• 130 million km

• 155 million km