Which is the hottest planet in the solar system?
Mars
Venus
Mercury
Jupiter
Which planet besides the Earth has evidence of erosion by running water?
Which one of the following is a small celestial body revolving around a planet?
Rotation
Comets
Satellites
Galaxy
Which planet has no satellites?
Uranus
Which is the smallest planet in the solar system?
Saturn
Which is the largest planet in the solar system?
Neptune
Which planet is known as red planet?
What speed is needed for a gas molecule to escape from planet?
Orbital speed
Solar wind speed
Speed of light
Escape velocity
