Imagine waking up in the morning, looking out your window and seeing the planet Earth below you. What would it be like to live in space? Find out all about the International Space Station.
What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel. See more »