Elizabeth Howell
How Do We Study The Sun?
A quick think about optical astronomy would have you imagine that most of it takes place at night. Isn't that…
What Is A Wolf-Rayet Star?
Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at…
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,…
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…
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…
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…
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…
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…
What Are The Benefits Of Space Exploration?
Why explore space? It's an expensive arena to play in, between the fuel costs and the technological challenge of operating…
What Is The Difference Between the Geocentric and Heliocentric Models of the Solar System?
What does our Solar System really look like? If we were to somehow fly ourselves above the plane where the…