Astronomy
Which of the following is called as Blue planet?
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The time Earth takes to revolve around the Sun is________?
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Diameter of Sun is_____________?
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Which is correct order of solar system starting from Sun?
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Big Bang was an explosion that occurred?
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Big Bang theory explains_____________?
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Approximately how many galaxies are there?
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Study of the Universe is known as___________?
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Earth is closest to sun in________?
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