Trivia

Hard

The Most Geologically Active Object In Our Solar System Is?

Earth
Io
Mars
Titan

Answer: Io

For the most part, the objects in our solar system lead a rather sedate life. The solar system is filled with cold, lifeless, and essentially inert objects like distant moons, asteroids, and other objects just as desolate and still as you’d imagine.

Then, in contrast to the lack of activity you find on most solar system bodies, you have Jupiter’s moon Io. The surface of Io is covered with not just a few active volcanoes, not just enough volcanoes to put it ahead of Earth in the active geology department, but with over 400 volcanoes.

In the picture seen here, captured by the Galileo spacecraft in 1999, you can see the effects of the volcanic activity on Io. The surface is dotted with pock-mark like spots marking the volcanoes and their surrounding geography, and the coloration of the surface is a result of the lava flows and huge amount of sulfur-based compounds the volcanic eruptions rain down on the surface.

Trivia

Hard

One Of The Hills Of Rome Is Composed Almost Entirely Of What?

Trivia

Hard

Who Was The First To Use Radar To Detect Distant Objects?

Trivia

Hard

Which State, Amongst The Contiguous United States, Has Its Own Power Grid?

Trivia

Hard

What Ornamental Feature Did 19th Century English Aristocrats Keep On Their Estates?

Trivia

Hard

Numbers Used To Identify Something Are Known As?

Trivia

Hard

Which Game Console’s Cartridges Featured In-cartridge Co-processors?

Trivia

Hard

The Hollywood Walk of Fame’s Only Non-Star Tiles Are In Honor Of What Event?

Trivia

Hard

A Vexillologist Is A Person Who Studies?

Trivia

Hard

Ben Franklin Wasn’t Just A U.S. Founding Father, But The Founder Of Modern?

Trivia

Hard

What Does FEMA Use As The Basis For An Informal Disaster Severity Scale?