re: Tidal forces
600 current hours of daylight and 600 hours of dark. Acckkk! Gives a whole new meaning to the offer, "Spend the night with me."
What will change on Earth because of this? Obviously, it will be very, very gradual but fast forward. What changes would there be? I can think of one: If humans are still here then (doubtful), they'd have to grow all crops in lighted greenhouses. Hope they'd taste better than greenhouse tomatoes (bleccchh).