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Your search for "planet" returned 2,395 results
A Helium Shortage! What If We Ran Out of Helium?
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A helium shortage threatens more than just the balloon industry. Way more. Here's what at stake should we run out of this gas - which is a real possibility.
How do they measure sea level?
science.howstuffworks.com/environmental/earth/oceanography/question356.htm
How do they measure "sea level"? Is it the average of the tides? And is the sea level actually rising or not?
How Space Collisions Work
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Space collisions happen when stars, asteroids and even galaxies smash into one another. Learn what space collisions look like and what the results are.
Chicxulub Crater: Where the End of the Dinosaurs Began
science.howstuffworks.com/environmental/earth/geology/chicxulub-meteor.htm
The Chicxulub meteor impact may have killed off the dinosaurs. Would they have lived if the meteor missed? Learn more about the Chicxulub meteor.
Why Cassini Crashed: Protecting Icy Moon Enceladus at All Costs
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The groundbreaking Saturn mission has come to an end, protecting Saturn's moon in its final plunge.
What Happens in Aquarius Season? A Deep Dive Into Its Cosmic Influence
entertainment.howstuffworks.com/horoscopes-astrology/aquarius-season.htm
Explore Aquarius Season's unique energy, from innovation to social connection. Learn how this zodiac period influences creativity, relationships, and self-expression.
Could an extremely powerful solar flare destroy all the electronics on Earth?
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Solar flares and their effect on electronics are explained in this article. Learn about solar flares.
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?
Everyday Science: Gear Quiz
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Whether you know it or not, you probably use gears several times each day. Gears are used in a wide variety of mechanical devices including wrist watches, bathroom scales, washing machines and, of course, automobiles.
How NASA Planetary Protection Works
science.howstuffworks.com/nasa-planetary-protection.htm
What if your job were to protect life in the galaxy at all costs? Read about NASA's Planetary Protection program at HowStuffWorks.