Guide to Space

Which Planets Have Rings?

Planetary rings are an interesting phenomena. The mere mention of these two words tends to conjure up images of Saturn,…

10 years ago

What Is The World’s Widest River?

The Amazon River is a heck of a big tributary. Besides being one of the LONGEST rivers in the world,…

10 years ago

What Was The Impact That Killed The Dinosaurs?

What suddenly made the dinosaurs disappear 65 million or 66 million years ago? Whatever it was, all indications show that…

10 years ago

Asteroids: 10 Interesting Facts About These Space Rocks

At first glance, looking at a bunch of space rocks doesn't sound that exciting. Like, aren't they just a bunch…

10 years ago

Is Everything Actually Shrinking?

Whoa, here's something to think about. Maybe the Universe isn't expanding at all. Maybe everything is actually just shrinking, so…

10 years ago

What Is the Longest River In The World?

Planet Earth boasts some very long rivers, all of which have long and honored histories. The Amazon, Mississippi, Euphrates, Yangtze,…

10 years ago

What’s Happening in the Universe Right Now?

If Dr. Who has taught us anything, it's that time is kind of crazy. And we're not just talking about…

10 years ago

How Are Planets Formed?

How did the Solar System's planets come to be? The leading theory is something known as the "protoplanet hypothesis", which…

10 years ago

What Are the Stars in Orion’s Belt?

Orion dominates the winter sky in the northern hemisphere. Its large size and  collection of bright stars -- such as…

10 years ago

Is The Moon A Planet?

What makes a planet a planet? The Moon is so big compared to the Earth -- roughly one-quarter our planet's…

10 years ago