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Forum: Looking at Learning... Again

Topic: Moon Observations

Topic Posted by: Melissa Cheung
Date Posted: Mon Feb 15 5:09:06 US/Eastern 1999
Topic Description: Has keeping a Moon Journal helped you umderstand the Moon's behavior or has it made it seem more puzzling? Here's a chance for you to pose questions and share insights about your moon observations.

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Posted by: liane (garlandl@sau25.net )
Date posted: Fri Mar 5 14:43:02 US/Eastern 1999
Subject: moon
Message:
The results show that we really don't know what happens to the moon! We think we notice it, but really don't. One thing I found surprising is that there were hardly any "Don't know" answers! We think we know it all! Does any one know what the moon that is visible during the day is called?


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Subject: N,S hemisphere and phases
Reply Posted by: Carol LeCrone
Date Posted: Sun Mar 28 11:47:14 US/Eastern 1999
Message:
I can't imagine why the view of the moon in space would be different in the two hemispheres- wouldn't the only difference be the relative location in the sky (more southerly or more northerly) based on the tip of the earth, perhaps? Or is the rotation of the moon around the Earth even with the equator? I learned the order of the phases with a mnemonic: the "man in the moon"'s name is DOC - you can always tell whether the moon will be getting larger or smaller depending on the letter it approximates- outward curve full to the right = D, then it will go to full = O, then receed on the right side to leave the full curve on the left = C- then disappear (new moon) before reappearing to spell his name again. The D (waxing) phase will always become visible during day (rising between sunrise and sunset) I think (as the lit portion is closest to the sun), the full moon rises at sunset and sets at sunrise; the C (waning) phase will rise between sunset and sunrise - the fully lit portion being closest to the next appearance of the sun! The new moon then rises with the sun and therefore is not visible (opposite side of the moon is lit and sun is too bright).


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