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How Lunar Rovers Work
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Lunar rovers have increased our knowledge of the moon by letting us travel long distances. See what's next for lunar rovers and how they've changed.
How the Mars Rovers Work
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Of course we want to go to Mars. Until we figure it out though, roving robots with names like Spirit, Opportunity, Sojourner and Curiosity are our best bet for digging up dirt on our nearest planetary neighbor. Want to go along for the ride?
10 Space Landmarks We'd Like to Visit
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Fling away your Fodor's! Toss your TripAdvisor! We have the only guided tour of outer space you'll need -- a foray into the final frontier so ambitious it will make the Voyager probes' Grand Tours look like daytrips.
How Deep Impact Works
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How do scientists find details about the early days of our solar system? One way is to investigate comets. Find out how the Deep Impact spacecraft fired an impactor into Comet Tempel 1 to get some answers.
10 Reasons Why Space Exploration Matters to You
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Yes, we have some amazing inventions thanks to space exploration, and we're curious about life on other planets. But the cosmos also touches a deeper part of our psyches. Here are 10 reasons space exploration matters to you.
Space Exploration Pictures
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These space exploration pictures show you how mankind has explored the vastness of space. Check out these space exploration pictures.
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.
Top 10 Moments in Space Bathroom History
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When you think about space travel, you probably don't take the time to wonder how astronauts go to the bathroom. However, the annals of aeronautic history abound with space bathroom tales. Here are 10 of our favorites.
How Solar Sails Work
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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.
What Are Dark Matter and Dark Energy?
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Dark matter and dark energy are part of the fabric of the universe. How much do scientists know about dark matter and dark energy?