2. What causes a rare proxigean spring tide?
About every year and a half a full moon coincides with the Moon's apogee of Earth.
About every year and a half, a new moon coincides with the Moon's proxigee of Earth.
O About every year and a half, a full moon coincides with the Moon's proxigee of Earth.
About every year and a half, the new moon coincides with the Moon's apogee of Earth.