Search Results | astronomy
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10 Things We Thought Were True Before the Scientific Method
Before the scientific method came along, science dabbled in some pretty far-out ideas in its youth. Remember miasmas? And spontaneous generation? And the four elements?
How the Enlightenment Worked
history.howstuffworks.com/historical-events/enlightenment.htm
The Enlightenment was a period of major intellectual change. Read about the Age of Enlightenment and the Enlightenment thinkers' impact on history.
Lunar Cycles Quiz
play.howstuffworks.com/quiz/lunar-cycles-quiz
William Shakespeare warned us "Do not swear by the moon, for she changes constantly." Sound advice, right? Well, maybe. Sure, she changes, but her phases remain quite reliable. Take the following quiz to see what I mean!
How Does a Camera Obscura Device Work?
electronics.howstuffworks.com/question131.htm
A pinhole camera is the simplest camera possible. To get a better understanding of how they work, read more about camera obscura principles.
How do Astronauts Poop in Space?
science.howstuffworks.com/bathroom-in-space.htm
A bathroom in space requires unique engineering that is different from a bathroom on Earth. Learn about the features of a bathroom in space.
How Millimeter Wave Scanners Work
science.howstuffworks.com/millimeter-wave-scanner.htm
If you've traveled recently, you probably raised your arms above your head and waited for a millimeter wave scanner to do its screening thing. During those 10 seconds or so, did you ever wonder exactly how the device produced your image?
Why Is the Sky Blue?
science.howstuffworks.com/nature/climate-weather/atmospheric/sky.htm
We've all probably looked up and wondered why the sky is blue instead of, say, brown. The sky is blue because of the way Earth's atmosphere scatters light from the sun.
Can You Answer These $100 "Who Wants to Be a Millionaire" Questions?
play.howstuffworks.com/quiz/can-you-answer-these-100-who-wants-to-be-a-millionaire-questions
Have you watched "Who Wants to Be a Millionaire" and thought, "Those $100 questions are easy?" Prove it! Test your general knowledge of basic facts with this quiz!
What the Stuff?!: 5 Crackpot Theories About Space
www.howstuffworks.com/videos/what-the-stuff/what-the-stuff-crackpot-theories-about-space-video.htm
For every Newton or Galileo, there's a Velikovsky and a Horbiger. Check out these 5 completely baseless theories about space.
How Do Spacecraft Re-enter the Earth's Atmosphere?
science.howstuffworks.com/spacecraft-reentry.htm
Spacecraft reentry into the Earth is a tricky process. Find out how spacecraft re-entry works and why spacecraft are likely to burn up upon re-entry.