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Author Archives: Anonymous

According to the solar nebula theory, why are the planets’ o…

According to the solar nebula theory, why are the planets’ orbits nearly in the plane of the Sun’s equator? 

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How is heat different from temperature?

How is heat different from temperature?

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How did Nicolaus Copernicus account for the retrograde motio…

How did Nicolaus Copernicus account for the retrograde motion of the planets? 

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One of the 2 postulates of Special Relativity is ___.

One of the 2 postulates of Special Relativity is ___.

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The detail visible through a telescope is ultimately limited…

The detail visible through a telescope is ultimately limited by_____.

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Where is the center of mass located in the Earth-Moon system…

Where is the center of mass located in the Earth-Moon system?

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Compared to infrared radiation, does ultraviolet radiation h…

Compared to infrared radiation, does ultraviolet radiation have longer or shorter wavelengths? Does ultraviolet radiation have higher or lower energy per photon?

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Who taught that the Earth is stationary and at the center of…

Who taught that the Earth is stationary and at the center of the universe with the sun, the moon, and the planets moving around Earth in perfect circles?

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What defines a closed orbit?

What defines a closed orbit?

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What contribution did Tycho make that contradicted Aristotle…

What contribution did Tycho make that contradicted Aristotle’s model of a perfect starry sphere?

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