this post was submitted on 19 Oct 2024
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Lunar eclipse? As in a new moon that happens every month?
No. "New moon" is just the night side of the moon facing us. A lunar eclipse is when the Earth blocks sunlight from the moon, which can only occur on a full moon approximately every six months.
a new moon only blocks the sun periodically because the moon's orbit has a 5 degree inclination:
https://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Lunar_Orbit_and_Orientation_with_respect_to_the_Ecliptic.svg/440px-Lunar_Orbit_and_Orientation_with_respect_to_the_Ecliptic.svg.png (png is black on transparent)
What would be a solar eclipse though
When the moon is directly between the earth and the sun, during the day.
Solar eclipse is when the moon is between the sun and the earth. Lunar eclipse is when the earth is between the moon and the sun. A "new moon" is just when the side of the moon that we can see isn't facing the sun.
A new moon is when the moon is between the sun and earth. A full moon is when the moon is behind the earth, and a lunar eclipse is when the earth blocks the sun on the moon during a full moon cycle.