
Chapter 1
The cosmic tug of war
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Chapter 2
The Sun enters the dance
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Chapter 3
Coastal shapes and local rhythms
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Chapter 4
Tides and the web of life
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YOUR GOAL
Master of Why the ocean has tides
Ch 2 · The Sun enters the dance

nic Despite its immense mass, the Sun's extreme distance makes its tidal force less than half that of the Moon.

nic When the Sun and Moon are at right angles to Earth, their gravitational pulls partially cancel each other out.
Fun Fact
Leaping tides: The word 'spring' in spring tides comes from an Old English word meaning 'to leap,' not the season.

