Answer the following questions.
Chapter-1
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8.
Which planet is nearest to the sun?
Name the natural satellite of the earth.
Name the first human who landed on the moon.
Which is the largest planet in our solar system?
In which galaxy is our solar system located?
What is the average distance between the earth and the sun?
What do you mean by solar system?
Write the names of the planets of the solar system on the diagram given below.
Chapter-2
1. What is the length of the equatorial diameter of the earth?
2. What is the difference between equatorial and polar diameter of the earth?
3. Name the Portuguese navigator whose circumnavigation voyage around the world proved
that the Earth is spherical in shape.
4. What do you mean by Geoid?