Which planet is known as the Earth's twin?
Uranus
Jupiter
Mars
Venus
Which planet has no satellites?
Mercury
Which planet is known as the blue planet?
Earth
Which is the only natural satellite of the Earth?
Moon
Star
Sky
Sun
The Sun is also a
Planet
Which is the largest planet in the solar system?
Neptune
Which is our home planet?
Which planet has the greatest extremes of temperature?
What speed is needed for a gas molecule to escape from planet?
Orbital speed
Solar wind speed
Speed of light
Escape velocity
