Page 189 - Science Course 3 (Book 2)
P. 189

Mo12-L4b: What is a Lunar Eclipse?





               The gravitational differences cause tidal bulges in the oceans on opposite sides of Earth.








































               High tides occur at the tidal bulges, and low tides occur between them.

               Because the Sun is so far away from Earth, its effect on tides is about half that of the Moon.


                  Antipodal
                                             Sun’s
                                         gravitational
                                            effect






                                    Sublunar



                                       Moon’s
                                    gravitational
                                        effect

                                                                          High Tide









                                                         Low Tide



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