Explain shape of the earth?
What are the forces which keep a flying plane in a equilibrium?
Why countdown while firing a aeroplane?
Dear friends..I appeared for ISRO scientist/Engineer SC interview on 2nd December 2009.Any idea about the interview result when it came/comes??
how stars comes from different sizes
In universe there exist temperature of 1000000 degree Centigrade, does there also exist the temperature of -1000000 degree centigrade ?? (in order to satisfy newton's second law)
What is the sun?
What is equatorial and polar diameter?
What are the stars?
Explain the planets?
What is the weight of the earth?
What is astronomical telescope?
What is solar eclipse?
Explain the moon?
What is the magnetic effect of the earth?