Quote Originally Posted by B0bDole
I have a good elementary Astronomy question.

If our Sun was replaced with a 1 solar-mass Black Hole, How would this change Earth's orbit?
well, considering a black hole is a star that becomes so massive it collapses on itself, id say this isnt feasable. Not just the replacement but the existance of the entity itself. Now, if our sun was replaced by a one solar mass fork, it would have no effect on our orbit.