You might have seen pictures of the American flag waving on the moon. Did that occur to you as being kind of odd? How did they get it to "wave."
If you’ve ever been to the Air and Space Museum in Washington DC, perhaps you’ve sampled the kind of freeze-dried ice cream astronauts eat during space missions. A stiff, dry square, the freeze-dried version tastes just like ice cream, except that it isn’t cold, and has no moisture.
When astronauts orbit the earth, they’re still subject to gravity, but they’re moving sideways so quickly that even though they’re being pulled towards the earth, they’re not getting any closer to the center of the planet.
Some research has shown that people snore less in space. Today on A Moment of Science, we’re going to discuss what ramifications this has for us down-to-earth snorers. Scientists recently monitored the sleep of five astronauts on the International Space Station, and discovered that weightlessness actually improves sleep. One common sleeping disorder, known as sleep [...]