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--- un:tide [2025/03/28 05:13] – asad
+++ un:tide [2025/03/31 02:43] (current) – [1. Causes of Tides] asad
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 {{https://science.nasa.gov/wp-content/uploads/2023/08/lunar-and-solar-tides.gif?nolink&700}}
-Twice a month, the high tides are very high, called spring tides, and the low tides are very low, called neap tides. This is due to the sun. The Earth-moon system orbits the sun. When the Earth, moon, and sun are aligned, i.e., during new moon and full moon, the tidal forces of the moon (blue line) and the sun (orange line) add up. And when the Earth-moon line is at a 90-degree angle to the Earth-sun line, the sun's tidal force reduces the moon's force. This is why spring tides and neap tides occur twice a month. During neap tides, the moon appears half full. Neap tide occurs one week after the spring tide of the new moon, the spring tide of the full moon occurs one week later, neap tide again one week later, and the spring tide of the new moon again one week later.
+Twice a month, the high tides are very high, called spring tides, and twice a month the high tides are at their lowest, called neap tides. This is due to the sun. The Earth-moon system orbits the sun. When the Earth, moon, and sun are aligned, i.e., during new moon and full moon, the tidal forces of the moon (blue line) and the sun (orange line) add up. And when the Earth-moon line is at a 90-degree angle to the Earth-sun line, the sun's tidal force reduces the moon's force. This is why spring tides and neap tides occur twice a month. During neap tides, the moon appears half full. Neap tide occurs one week after the spring tide of the new moon, the spring tide of the full moon occurs one week later, neap tide again one week later, and the spring tide of the new moon again one week later.
 ===== - Tide Maps =====