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Explain the geometry of an ellipse, which Kepler used to describe a planet's orbits.
Q3: List the three types of binary stars.
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Q23: Incarceration in a public facility is the
Q29: Which part of a telescope is responsible
Q44: If the Moon is too far from
Q49: How does the detention process work in
Q51: Discuss the history and development of juvenile
Q52: In which spectral sequence are the hottest
Q63: The importance of the general theory of