Answer / Nilesh Kumar Pandey

As of now, we cannot definitively say how many black holes exist in the universe. Black holes are very difficult to detect due to their lack of emission. However, it's estimated that there could be hundreds of millions, if not billions, of black holes within our own Milky Way galaxy alone.

Which is the brighest star?

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How far from earth, is the moon?

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Explain how is venus different to earth?

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The hydrogen envelope that surrounds the comets nucleus derives its hydrogen most directly from?

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Which other galaxy is similar to the milky way?

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Does astronomy help you with other things in life?

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The work of this harvard college observatory scientist made possible the first accurate determination of extragalactic distances by what is often called henriettas law?

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Explain how old is our earth?

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Which star is called the polaris?

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How long is a day on saturn?

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How many earths can fit into jupiter s great red spot?

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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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