Explain the moon?
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What is the magnetic effect of the earth?
What is the weight of the earth?
What is astronomical telescope?
do alliens really exist?
Magnetic effect of the earth.
why we feel sky blue in color
brief notes on The planets
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)
how many planets are found till now?
Who discovered Proton?
how stars comes from different sizes
Distance of the earth from the moon and the sun.