For those looking up at the sky tonight in North America, you may notice something missing--the moon! That's because July 31 marks a lunar event called the "black moon" which is the second new moon that happens in one calendar month. A new moon is the phase of the moon where it's invisible, with the lit portion of the moon facing away from us.
For those looking up at the sky tonight in North America, you may notice something missing--the moon! That's because July 31 marks a lunar event called the "black moon" which is the second new moon that happens in one calendar month. A new moon is the phase of the moon where it's invisible, with the lit portion of the moon facing away from us.
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