why do the sun the moon and the earth not lie in one and the same line on every full moon and new moon day?
Answers
Answer:
Because the plane of the Moon's orbit is tilted several degrees from the plane of the Earth's orbit. So they only line up closely at two times during the year.
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Answer: HERE IS YOUR ANSER GUYS
Originally Answered: Why do the Sun, the Moon and the Earth not lie in one, and the same line on every full moon day and new moon day? Because the Earth's axis is tilted with regards to the Sun and the Moon's orbit is further tilted with regards to the Because the Earth and Moon don’t orbit in the same plane. The Earth is inclined in its orbit of the Sun, and the Moon is inclined in it’s orbit of the Earth. This is why we don’t have an eclipse every full moon or new moon, which is a different way of phrasing the same question.
Basically, as the Moon orbits the Earth, it also goes up and down a bit. Since this plane doesn’t change, there’s only two points in the orbit where it is exactly in line with either the Earth’s equator or the Earth’s orbit. As the Earth orbits the Sun, this point lines up with the line from the Sun to the Earth. When the Moon crosses this point while the two lines are close enough to parallel, we get eclipses. Earth's equator.