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Kindergarten
Wednesday, 11 April 2018
The Galaxy - Moon
Annie - Why does the moon disappear during the day?
About half the time you actually can see the moon during the day however sometimes it is hard to see as the Moon appears pale white against the bright blue sky. Also, if it is cloudy or overcast you won't be able to see it.
Here is what’s going on…
The moon is lit by the sun. If it’s daytime and the sun and moon are both high in the sky - then the sun and moon are both on roughly the same side of the earth.
Since the sun is further away - that means that it must be shining mostly on the side of the moon that’s furthest from the Earth.
So when the moon is in the sky during the middle of the day, usually it’s a “new moon” (which you can’t see because the unlit side is facing us) - or a “quarter moon” - where only a sliver of it is visible.
However, if the moon is rising just as the sun is setting (or vice-versa) - then you can see almost a full moon during that part of the day.
About half the time you actually can see the moon during the day however sometimes it is hard to see as the Moon appears pale white against the bright blue sky. Also, if it is cloudy or overcast you won't be able to see it.
ReplyDeleteHere is what’s going on…
The moon is lit by the sun. If it’s daytime and the sun and moon are both high in the sky - then the sun and moon are both on roughly the same side of the earth.
Since the sun is further away - that means that it must be shining mostly on the side of the moon that’s furthest from the Earth.
So when the moon is in the sky during the middle of the day, usually it’s a “new moon” (which you can’t see because the unlit side is facing us) - or a “quarter moon” - where only a sliver of it is visible.
However, if the moon is rising just as the sun is setting (or vice-versa) - then you can see almost a full moon during that part of the day.