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What If the Sun Disappeared for a Week?
science.howstuffworks.com/science-vs-myth/what-if/what-if-sun-disappeared-for-week.htm
Your vacation would be ruined, and that's not all.
How Interplanetary Internet Will Work
computer.howstuffworks.com/interplanetary-internet.htm
Can the Internet stretch out to planets like Mars? Learn how it will!
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?
Can You Get More Than 11 Right on This Astronomy Quiz?
play.howstuffworks.com/quiz/can-you-get-more-than-11-right-on-this-astronomy-quiz
Does the solar system fill you with wonder? Are you an amateur stargazer fascinated by celestial bodies? Show off your knowledge of the universe with an out-of-this-world astronomy quiz!
What Is the Moon Made Of? Kaleidoscopic Map Sheds Light
science.howstuffworks.com/geologic-moon-map.htm
You're not the first person to ask, "What is the moon made of?" Scientists spent decades creating the Unified Geologic Map of the Moon to answer this and more.
10 Best Ideas for Interplanetary Communication
science.howstuffworks.com/10-ideas-for-interplanetary-communication.htm
In the future, as we send space probes and manned missions to explore the solar system and possibly colonize other worlds, there's a major problem that we'll have to overcome -- keeping in touch with them.
The Second Coming Has Been 'Imminent' for 2,000 Years
people.howstuffworks.com/second-coming.htm
Many Christians believe Jesus Christ will return to Earth to judge and rule it; they refer to it as the Second Coming. For centuries people have hoped it would happen in their lifetimes. So when - if ever - will it take place?
How many planets in our universe could support life?
science.howstuffworks.com/planets--universe-support-life.htm
We don't know the answer to how many civilizations might exist in the universe. But we do know the factors that allow life on Earth. Are there other planets that fit the bill? Oh yes indeed.
Could we really blow up an incoming asteroid with a nuclear bomb?
science.howstuffworks.com/asteroid-nuclear-bomb.htm
Surely nuclear weapons, which can obliterate entire cities, contain enough destructive power to blow a giant space rock to bits, right? What does NASA make of the whole explosive business?
How Much do You Know About the World's Megacities?
play.howstuffworks.com/quiz/how-much-do-you-know-the-worlds-megacities
Family rural living is a dying way of life everywhere in the world. People are flocking to cities, swelling them in size to the point that they become megacities. How much do you know about the megacities of the Earth?