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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?
What Is Gravity?
science.howstuffworks.com/environmental/earth/geophysics/question232.htm
Gravity is the force that causes two particles to pull towards each other. Learn about gravity and find out how Newton and Einstein explain gravity.
What If There Were No Stars?
science.howstuffworks.com/science-vs-myth/what-if/what-if-there-were-no-stars.htm
Assuming we got to keep the sun, how bad would be for travelers to not have these little guiding lights? And what else might have changed in history without stars?
The Memorable Mnemonics Quiz
people.howstuffworks.com/memorable-mnemonics-quiz.htm
Mnemonic devices are little tricks - like acronyms and phrases - that help us memorize important info. Learn some cool mnemonics with this quiz.
Which Astronomical Body Are You?
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Space is full of amazing and beautiful creations. With all of your amazing feats and remarkable personality traits, which astronomical object do you measure up to?
15 Famous Astronauts Who Expanded Our Universe
science.howstuffworks.com/famous-astronauts.htm
Some brave explorers travel across oceans; others blast off into space. This list of famous astronauts celebrates the pioneers of space exploration — those who took "one giant leap" for humankind and expanded our reach beyond Earth.
How Newton's Laws of Motion Work
science.howstuffworks.com/innovation/scientific-experiments/newton-law-of-motion.htm
Newton's iconic laws of motion are at work all around you, whether you're watching an Olympic swimmer push off a pool wall or a batter hit a baseball. So what are they?
10 Major Players in the Private Sector Space Race
science.howstuffworks.com/10-major-players-in-private-sector-space-race.htm
Sure, the shuttles may be sitting around in museums now, but our journey to space is far from over. Get ready to meet some serious contenders in the new space race.
How Astrobiologists Work
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Astrobiologists apply the scientific method to questions once considered the purview of sci-fi fans. Learn about astrobiologists at HowStuffWorks.
Can we live elsewhere in the universe?
science.howstuffworks.com/can-we-live-elsewhere-in-the-universe.htm
If you consider throwing down a welcome mat on the porch of the International Space Station the same as living "elsewhere," then yes. But what about the moon and destinations beyond?