Explain the planets?
What is the sun?
What is lunar eclipse?
Dear friends..I appeared for ISRO scientist/Engineer SC interview on 2nd December 2009.Any idea about the interview result when it came/comes??
Why countdown while firing a aeroplane?
Explain shape of the earth?
What is the weight of the earth?
What are the forces which keep a flying plane in a equilibrium?
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What is equatorial and polar diameter?
What is the distance of the earth from the moon and the sun?
What is astronomical telescope?
What is the magnetic effect of the earth?
What is eclipses?
What is solar eclipse?