Ocean Wave Reverberation

Why Does the Earth Hum?

Seismometers always record periodic noise. Once mysterious in nature, we attribute Earth hum to ocean waves crashing into continents, vibrating like a bell.


5 Ice Cold Facts of Planet Uranus

Planet Uranus it he coldest and has the 3rd largest radius for any planet in the solar system. It’s tilted at more 90°, it has faint rings and has 27 moons.

isostatic rebound

What is Isostatic Rebound?

During the last ice age, ice pushed down on continents with immense pressure. After the ice melted, land began slowly lifting which is isostatic rebound.