What is the probability of humans directly encountering visitors from other worlds?
• Will humans ever travel to the stars? • Will astronauts ever be hit by orbiting debris? • Did NASA cancel the Space Shuttle mission in April, 1997 because of the solar flare? • How much radiation exposure do astronauts get in space? • What would happen if an astronaut took her glove off for a few seconds in space? • Do rocket launches affect the orbit of the Earth? • How long did it take Apollo astronauts to get to the Moon? • Why can’t the Space Shuttle visit the Moon? • What are the effects of space on human reproduction? • Are any laboratories trying to develop faster than light travel? • In deep space communication, what data rates are used? • What do astronauts really do in space? • What material is used to make spacecraft? • Will travel at light speed ever be possible? • Why is the velocity of the Voyager spacecraft decreasing as it leaves the solar system? • Coulld you really hide a starship in a nebula? • Will private enterprise ever become important in space travel and explo
