Karman line

Virgin Galactic successfully flew its first paying customers to the final frontier Thursday, a long-awaited achievement that puts it back on track in the emerging private spaceflight sector.Italian Air Force officers unfurled their nation’s…

Yes, Earth ends at a certain point and space begins. But where is that point? Believe it or not, this might appear to be a simple question but it does not have an easy answer. Well! As you get farther up from the…