What UnityDogGaming04 meant is "when the difference of the planet's gravity between the closest point of the moon and the farthest point of the moon exceeds the gravity that holds the moon together"
I think the white is EXOTIC matter, not ANTImatter. "In theoretical physics, negative mass is a type of exotic matter whose mass is of opposite sign to the mass of normal matter, e.g. −1 kg." -wikipedia
Basically, tides form the moon slow down the earth's rotation cause the earth rotates faster than once a moon orbit, and the loss of rotation angular momentum is made up for by an increase of lunar orbital angular momentum.