Equator is the answer to the question
There are about 200 billion stars in our galaxy, with 40 billion of them like our sun, Marcy said. One of his co-authors put the number of sun-like stars closer to 50 billion, meaning there would be at least 11 billion planets like ours
This is true
It has happened before and was one of the factors that influenced the current position of the continents. It will surely happen again if one day an ice age happens.