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15 Famous Astronauts Who Expanded Our Universe
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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 Sunspots Work
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Sunspots are explained in this article. Learn about sunspots.
Is the American Flag Still on the Moon? Objects Astronauts Left Behind
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Apollo astronauts left a lot of stuff behind on the moon. Can you see any of that from Earth, even with a telescope?
How do humans age in space?
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Do humans age in space differently than here on Earth? Find out how humans age in space in this article from HowStuffWorks.
How Did the Universe Begin?
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The universe and how it began is explained in this article from HowStuffWorks. Learn about the origins of the universe.
Sonification: Listening to the Haunting Sounds of the Universe
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Sonification is the process of taking data and turning it into sound. When it come to the universe we live in, scientists are finding that the sounds are definitely otherwordly and very beautiful.
How Solar-powered Refrigerators Work
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Solar-powered refrigerators may sound like something of the future, but the SunDanzer is already on the market. Learn about solar-powered refrigerators.
Hypersonic Speed Explained: How Hypersonic Planes Work
science.howstuffworks.com/transport/flight/modern/hypersonic-plane.htm
Higher, farther, faster: NASA's X-43A plane is destined to set new speed records. What sets the X-43A apart from other rocket-powered aircraft is that it is powered by a scramjet engine. Learn all about it.
Is there a hole in the universe?
science.howstuffworks.com/dictionary/astronomy-terms/hole-in-universe.htm
A hole in the universe was recently discovered by scientists at the University of Minnesota in 2007. Read about the discovery of a hole in the universe.
Remembering Hurricane Charley - A Look Back at the Devastating Storm 18 Years Later
science.howstuffworks.com/nature/natural-disasters/hurricane-charley.htm
Hurricane Charley: Unveiling the Impact and Aftermath of this Devastating Storm. Explore its path, damage, and lessons learned.