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Tsync Tsync
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8 years ago
Halley's Comet last passed Earth in 1986. It will be due back in:
A) 2061.
B) 2012.
C) 2086.
D) 2048.
E) the twenty-third century.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
8 years ago
Happy to help Slight Smile
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