1) No 2) Kinda maybe https://physics.stackexchange.com/questions/52167/since-there-are-gravitational-lenses-are-there-gravitational-mirrors https://physics.sta

1) No 2) Kinda maybe https://physics.stackexchange.com/questions/52167/since-there-are-gravitational-lenses-are-there-gravitational-mirrors https://physics.stackexchange.com/questions/52167/since-ther...