Answer / Shyam Lal Bharati

The largest and most massive known star is UY Scuti, located in the constellation Scutum. It has a radius of about 1700 solar radii.

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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Which is the landing craft used by armstrong on the moon?

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Explain how far away from earth, is space?

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Do black holes really exist?

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In a search for planet x, this celestial body was found after astronomers had searched for an orbital disturbance of the planet uranus?

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Who were the ancient indian astronomers?

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An emission or bright line spectrum consists of?

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Does time stop at an event horizon?

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Describe the venus atmosphere?

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If the temperature of a star increases from 10,000k to 30,000k, by what factor will the rate of energy radiated per second increase?

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How many moons do Neptune planet have?

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Which is the only star of the milky way galaxy?

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