Earth & Space Page 171
More in Earth & Space
What Are Rivers Used For: From Irrigation to Power
Rivers do far more than flow to the sea. Learn how they support farming, power cities, enable trade, and sustain communities around the world.
Is the Moon Inside the Van Allen Belt? Explained
The Moon orbits well beyond the Van Allen belts, though it does pass through Earth’s magnetotail. Here’s a clear look at the distances involved.
How Much Damage Does a Flood Cause to Your Home?
Flood damage adds up fast—from structural decay to mold and lasting property value loss. Here’s what flooding actually costs homeowners at every water level.
Is New Orleans on the Coast or Just Near It?
New Orleans sits about 100 miles from the Gulf, yet it’s officially a coastal city. Here’s why that distinction matters more than ever.
Why Is It Called the Big Bang? The Real Story
The term “Big Bang” was coined by a skeptic as a jab at the theory. Here’s how a dismissive nickname became science’s most famous phrase.
What Is a Blue Sun? From Hot Stars to Blue Skies
Blue suns exist in a few surprising ways — from ultra-hot stars to rare Earth events and Martian sunsets. Here’s the science behind the color.
Is a Fog a Cloud? How It Forms at Ground Level
Fog is technically a cloud at ground level. Learn how it forms, why it clears by morning, and what separates fog from mist.
How Much Groundwater Is There? Volume, Depth, and Limits
Groundwater is far more abundant than most people realize, but much of it is too deep or too salty to use. Here’s what the science actually shows.
What to Do During a Drought: Home, Yard & Health
Practical tips for conserving water indoors and outdoors, protecting your home from wildfire, and staying healthy during a drought.
Where Was the Incan Empire Located in South America?
The Incan Empire stretched across six modern South American countries, united by the Andes and an impressive road network spanning thousands of miles.
How Did Native Hawaiians Get to Hawaii?
Native Hawaiians trace their roots to Polynesian voyagers who crossed thousands of miles of open ocean using stars, waves, and wind—no instruments needed.
Is Tierra del Fuego Really Part of Patagonia?
Tierra del Fuego sits just south of Patagonia, but the line between them is blurrier than most maps suggest. Here’s what travelers should know.
What Is a Geothermal Pool? Formation and Benefits
Geothermal pools are heated by Earth’s inner heat and rich in minerals. Learn how they form, where to find them, and why soaking in them may benefit your health.
What Is a Lava Dome? How It Forms and Why It’s Dangerous
Lava domes grow slowly from thick, sticky magma and can collapse without warning. Learn how they form, how big they get, and why volcanologists watch them closely.