what is big bang theory?
What makes the star give out vast amount of energy?
what is pole star? why does it appears to be stationary? plzz give me the answer in short
what is the full form of WWF?
What's the difference between meteor, meteorite and meteoroid?
Why does moon changes its shape every day
write a short note on Phase of Moon ?
Stars have their own light or not or they absorbs sunlight?
what is god particles . Please give in detail.
11. A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, calculate the orbital speed of the satellite.
why do stars give out heat and light?
Differentiate between galaxies and constellations in points
Tell some differences between stars, planets and satellites ?
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