Who, amongst the following, was the first to measure the distance round the earth?

1. 1. Euclid
   2. Eratosthenes
   3. Hipparchus
   4. Thales of Miletus

The earth revolves around the sun at a speed of _____.

1. 1. 17.9 km/sec
   2. 18.9 km/sec
   3. 26.6 km/sec
   4. 29 km/sec

Which of the following planets orbits around the sun in a clockwise direction from east to west?

1. 1. Jupiter
   2. Earth
   3. Uranus
   4. Mercury

The time taken by the Uranus to revolve round the sun is approximately _____.

1. 1. 80 years
   2. 84 years
   3. 88 years
   4. 92 years

Which planet is the least dense?

1. 1. Mars
   2. Mercury
   3. Earth
   4. Saturn

Which planet is known as “Earth’s” near twin planet”?

1. 1. Venus
   2. Mercury
   3. Neptune
   4. Mars

On another planet, the local terminology for earth, water, light, air and sky are sky, light, air, water and earth, respectively. If someone is thirsty there, what would be he drink?

1. 1. Air
   2. Water
   3. Light
   4. Sky

On which of the following planets of the solar system does the sun rise in the east and set in the east?

1. 1. Mars
   2. Jupiter
   3. Saturn
   4. Venus

Comets are luminous celestial bodies moving round the _____.

1. 1. Mood
   2. Sun
   3. Earth
   4. Jupiter

Bodies which usually fall from the sky on the Earth are called _____.

1. 1. Rock
   2. Comets
   3. Meteors
   4. None of these