Answer / Mohd. Mairaj

Yes, black holes are a prediction of Einstein's theory of general relativity. They are regions in space where gravity is so strong that nothing, not even light, can escape. Evidence for their existence comes from observations of stars and galaxies.

Explain how big is venus?

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The time between two successive meridian transits of the sun as observed from a stationary spot on the earth's surface is called?

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Whos book, titled concerning the revolutions of celestial spheres, is considered to mark the birth of modern astronomy?

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How can space expand faster than the speed of light?

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What are asteroids like?

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Tell me how many moons does neptune have?

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How many half- moons are there in a lunar cycle?

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How many moons do mars have?

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Tell me how many moons does jupiter have?

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What is the term for the amount of energy released from each square meter of an objects surface each second?

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Describe how are clouds formed?

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The time taken by aryabhatta for one revolution around the earth?

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