The universe is estimated to be between ten and twenty billion years old. This estimate is based on the value of which constant?
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The VISUAL aurora consists of luminous arcs, rays or bands in the night sky, usually confined to high latitudes and located in the:
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The time interval between two successive occurrences of a specific type of alignment of a planet (or the moon) with the sun and the earth is referred to as:
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When two heavenly bodies occupy the same longitude, the bodies are said to be in:
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According to Kepler's Laws, the cube of the mean distance of a planet from the sun is proportional to the:
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Which one best represents the time it takes energy generated in the core of the sun to reach the surface of the sun and be radiated?
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This yellow-white, spectral F-type star is located in the constellation Carina south of the ecliptic. It ranks second in apparent brightness among the stars. Is this star:
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Which planet has a moon with a mass closest to its own in our solar system?
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Io, Europa, Ganymede and Callisto are satellites of what planet?
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The study of the origin and evolution of the universe is called:
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Astronomy Quiz For Aspiring Astrophysicists
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