Originally Posted by delphidb96
Given that we've reached the Moon, 'great heights' simply MUST include distances of 240,000 miles. If we plug in values for a large MMPB (say Ayn Rand's "Atlas Shrugged") and sufficient energy to get beyond the Moon's gravitational pull and into Earth's, we find that it will probably enter Earth's atmosphere between 5,500 and 7,000 MPH (I may be a 'bit' off as I tend to estimate for lower values). Clearly, at that velocity, your typical MMPB will NOT survive the fall. 
Derek |