Earth
Scientists Say: Fjord
These dramatic, steep-sided sea inlets form when glaciers carve deep channels from the terrain.
Earth's Systems
More Stories in Earth's Systems
- Agriculture
Scientists Say: Corn Sweat
Cornfields release moisture into the air — or “sweat” — a couple of ways. One is evaporation. The other is transpiration.
- Earth
Could a storm last forever?
Thunderstorms help fix imbalances found in our atmosphere. For constant storms, those imbalances would have to persist.
- Earth
Scientists Say: Snow line
On Earth, this line marks the edge of snow-covered ground. In space, it marks a spot where a certain molecule might freeze.
- Earth
Clouds come in all shapes and sizes
Here’s a basic breakdown of the different cloud types, as well as how clouds form and why they float.
- Earth
Scientists Say: Cave Popcorn
This type of cave formation can occur as glossy, soaplike bubbles or as a bristly, cauliflower-like clusters.
- Earth
Scientists Say: Haboob
Thunderstorms in the desert create downdrafts that lift desert sand into a moving, wall-like cloud.
- Space
Analyze This: What are the chances of an asteroid hitting Earth?
The odds of a big space rock striking the planet are higher than you might think. But don’t worry — asteroid strikes may be preventable.
- Earth
Scientists Say: Van Allen belts
Astronomers have detected these radiation belts around Earth and beyond. Jupiter’s belt is thousands of times as intense as Earth’s.
- Humans
Scientists Say: Artifact
Take note: This term might describe ancient pottery shards in the field of archeology. But in statistics, it’s a misleading pattern in data.
