ORLANDO, Fla. — When passengers lift off on a massive space balloon from Kennedy Space Center in a couple of years, they’ll be flying in a sleek, cone-shaped capsule with reflective windows offering 360-degree views 20 miles above the Earth’s surface. Space Perspective revealed new designs for the exterior of what resembles a high-tech golf ball on a tee for the capsule of its Spaceship Neptune space balloon that is being manufactured at facilities on the Space Coast. Key to the design is both exterior and interior features to keep passengers comfortable and safe during their six-hour flights …