moons seasons tides eclipses
by william bland
The revolution of the moon around the earth causes the moon to appear to have phases. Here are 8 phases of the moon new moon full moon waxing crescent waning gibbous first quarter last quarter waxing gibbous waning crescent. A new moon is when the moon is not visible to earth. Waxing crescent waxing means that the illumination is getting more brighter. First quarter means that the entire right side of the moon is illuminated. gibbous means that more than half of the moon is visible . waning gibbous is where more than half of the moon is visible. Last quarter is where the in tier left side of the moon is visible. waxing crescent is where the moon appears to be less than half of the moon is illuminated.
An eclipse happens when there celestial bodies become aligned. A solar eclipse occurs when the moon moves across the disc of the sun and cast it's shadow across the face of the earth. A lunar eclipse occurs when the earth such that the earth blocks out the sunlight. a lunar eclipse only occurs when there is a full moon. a solar eclipse only happens when there is a new moon.
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The earth moves on it's axis every 24 hours 56 minutia's. One day on earth is one rotation of the earth. Day on earth is when our side of the earth faces the sun. Night on earth is when our side of the earth faces away from the sun.
Tides are the periodic rise and fall of sea level under the gravitational pull of the moon. Tides are one of the most reliable phenomena's in the world. The moons gravity exerts a strong pull on earth. The water bulges outward as earth and the moon revolve around a common center of mass. The moons gravity pulls on earth. Semidiurnal tides as the earth turns on it's own axis in about 24 hours a point on the earth moves through areas with these different force's acting on it.