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How Satellites Work
science.howstuffworks.com/satellite.htm
Thousands of satellites fly overhead every day, helping us with things like weather forecasts, scientific research, communications, TV broadcasts (and maybe some surreptitious spying). How much do you know about these eyes in the sky?
10 Reasons the Multiverse Is a Real Possibility
science.howstuffworks.com/10-reasons-multiverse-is-real-possibility.htm
In 1957, Hugh Everett first wrote about the multiverse — different realms where every choice spawns a separate universe in which another version of ourselves does something different. It sounds crazy, but here are some reasons it might be true.
How NASA Works
science.howstuffworks.com/nasa.htm
When most people think of NASA, they probably think of astronauts and the Kennedy Space Center. But there's a whole lot more to this 60-year-old organization.
How Astronauts Work
science.howstuffworks.com/astronaut.htm
Astronauts are adventurers and scientists who work in space. Learn who astronauts are and what they do in space and on Earth.