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How Spacewalks Work
science.howstuffworks.com/spacewalk.htm
When astronauts talk moonwalking, they don't mean the Michael Jackson dance move. Spacewalks take an entire day of preparation -- and a 240-pound space suit.
Rossby Waves Affect Our Weather and Tides, But What Are They?
science.howstuffworks.com/environmental/earth/geophysics/rossby-waves.htm
Rossby waves influence everything from high tides to extreme weather patterns, and not just on Earth. They also occur on the sun and on Venus and Jupiter as well. So, what are they exactly?
The 7 Diatomic Elements That Can't Stand to Be Alone
science.howstuffworks.com/diatomic-elements.htm
Diatomic elements are molecules composed of only two atoms, every time, always. There are only seven of them on the entire periodic table.
How the Orion CEV Will Work
science.howstuffworks.com/cev.htm
NASA needs a vehicle capable of carrying crew and payloads to Earth orbit, the moon and Mars. Learn about the basics of the new crew exploration vehicle.
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.
Dinosaur Extinction
animals.howstuffworks.com/dinosaurs/dinosaur-extinction.htm
Dinosaurs went extinct at the end of the Cretaceous Era. Learn the theories that try to explain what happened to the dinosaurs and why they went extinct.
Exploring Jovian Planets, the Titans of Our Solar System
science.howstuffworks.com/jovian-planets.htm
The four Jovian planets are officially designated as gas (and/or ice) giants. Which planets are they and what makes them so unique?
Do Astronauts Need Sunscreen in Space?
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We know space is awash in ultraviolet radiation. So how are astronauts protected from all those UV rays?
10 Memorable Meteor Crashes
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Hundred of meteors fly across the sky every night, but only a few make it to Earth. Learn about 10 memorable meteor crashes that left an impression.
Is it possible to run a nuclear test without producing radioactive fallout?
science.howstuffworks.com/nuclear-test.htm
In what may prove to be the first nuclear explosion since 1998, North Korea claims it has conducted an underground test of a nuclear weapon.