Articles

Thermosphere

What Is the Thermosphere? [Infographic]

The thermosphere is the thickest atmospheric layer (80-550 km). It’s known for its aurora borealis, orbiting satellites and the Karman Line (edge of space).

Milankovitch Cycle

What Are the 3 Milankovitch Cycles?

Earth revolves around the sun in a roughly circular orbit. But about every 200,000 years, its orbit becomes more eccentric because of the Milankovitch Cycle.

Ocean Tides Moon Effects

What Causes Ocean Tides?

When the moon is close to Earth, its gravitational pull stretches the side it’s facing. Because oceans hold a set amount of water, levels rise in one area.