If the new moon happens on January 15th, what shape will it be on February 6th?

Question

Physics

Kemp

13 May, 19:52

If the new moon happens on January 15th, what shape will it be on February 6th?

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Answers (1)

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Clinton Forbes · Answer 1

- - From January 15 to February 6 is a period of 22 days.

- - The period of the full cycle of moon phases is 29.53 days.

- - So those dates represent (22/29.53) = 74.5% of a full cycle of phases.

- - That's almost exactly 3/4 of a full cycle, so on February 6, the moon would be almost exactly at Third Quarter. That's the left half of a disk (viewed from the northern hemisphere).