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Tsync Tsync
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8 years ago
As a radio source, the period of "pulsar Earth" is:
A) 30 minutes.
B) 23 hours, 56 minutes.
C) 365.25 days.
D) 29.5 days.
E) 24 hours.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
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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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#2
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
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#3
8 years ago
Happy to help Slight Smile
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