Which of the following planets have only one moon: Earth
Which of the following is called "Blue Planet": Earth
Heat of sun reaches the earth by: Radiation
What divides the Earth into the Northern and the Southern Hemispheres: Equator
The weight of an object will be minimum when it is placed at: The center of the earth
Which planet moves fastest around the sun: Mercury
Asteroids are: Satellite of other planet
The number of planets are visible without using telescope is: 5
Two identical Viking craft was launched to Mars in which year: 1976
The Sun is: Star
