When the sun, moon and earth are in line, at new moon and full moon, what sort of tides follow?
The sun, the moon and the earth drawn in one straight line, with the moon between the sun and the earth.
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Spring tides: the biggest range. When the sun and moon pull in line their effects add together, giving spring tides: higher high waters and lower low waters. Springs come round about every two weeks, a day or two after new and full moon, with neaps in between.
