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killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
How do we know the mass of Neptune?
A) The orbital speed of Neptune moving around the Sun
B) The periods and sizes of the orbits of the moons around Neptune
C) The size and density of Neptune
D) The period and size of Neptune's orbit around the Sun
E) The distance of Neptune from the Earth and its rotation period
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Answer accepted by topic starter
padrepadre
wrote...
Staff Member
Educator
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Posts: 21611
10 years ago
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Mastering in Nutritional Biology
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killian Author
wrote...
Silver Member
10 years ago
Thanks sir
Smiling Face with Open Mouth
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