howstuffworks: 10 Reasons Why Space Exploration Matters to You At the time of the moon landing in 1969, many people envisioned that by the beginning of the 21st century, space travel would become routine, and we would be visiting other planets in our
howstuffworks: 10 Reasons Why Space Exploration Matters to You At the time of the moon landing in 1969, many people envisioned that by the beginning of the 21st century, space travel would become routine, and we would be visiting other planets in our