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What is a new moon?
New moons generally can't be seen. They cross the sky with the sun during the day. The moon's shadow side is toward Earth.
January 1, 2021
What is a full moon?
The full moon is opposite the sun in its orbit, so the sunlit day side of the moon is what you see.
January 1, 2021
What is a waning gibbous moon?
The waning gibbous moon falls between full and last quarter. See it best from late night through early morning.
January 1, 2021
Moon phases 2021 in text format
Read a list of the phases of the moon for all of 2021.
December 1, 2020
Quarter moon or a half moon?
Half the moon always faces us. And half the moon is always lit by the sun. But, in the language of astronomers, there are no 'half moons.'
August 25, 2020
