| Question 1: 1993 RO, the next plutino discovered after ________. | |||
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| Question 2: The ________, scattered disk, and Oort cloud are three divisions of this volume of space. | |||
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| Question 3: The search for these led to the discovery of ________ in 1930. | |||
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| Question 4: Small TNOs are thought to be low density mixtures of rock and ice with some organic (________-containing) surface material such as tholin, detected in their spectra. | |||
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| Question 5: Estimated diameter is greatly affected by surface ________ which has often been assumed, not measured. | |||
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| Question 6: For a known ________, it is possible to estimate the surface temperature, and correspondingly the intensity of heat radiation. | |||
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| Question 7: Discrepancies in the early 1900s between the observed and expected orbits of Uranus and Neptune suggested that there were one or more additional planets beyond Neptune (see ________). | |||
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| Question 8: Color indices are simple measures of the differences of the ________ of an object seen through blue (B), visible (V) i.e. | |||
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| Question 9: A fuller list of objects is being compiled in the ________. | |||
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| Question 10: The first trans-Neptunian object to be discovered was ________ in 1930. | |||
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