| 1. | The first trans-Neptunian object to be discovered was in 1930.
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| 2. | There are also 84 known natural satellites of trans-Neptunian objects.
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| 3. | The Neptunian rings contain a large quantity of Neptunian moons.
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| 4. | The Neptunian rings contain a large quantity of Neptunian moons.
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| 5. | Note that all but the last three are trans-Neptunian objects.
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| 6. | Pluto is the only trans-Neptunian object with a known atmosphere.
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| 7. | It is a near 5 : 7 resonant trans-Neptunian object.
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| 8. | The first trans-Neptunian object to be discovered was Pluto in 1930.
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| 9. | There is abundant vertical sediment infilled fissures and joints ( Neptunian Dykes ).
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| 10. | He participated in surveys of trans-Neptunian objects.
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