Emery Holloway

Latest Articles

What are the five basic characteristics of a star?

Why is there so much iron oxide on Mars?

What are the colors of a star in order from hottest top to coolest bottom?

How do we determine the age of older stars?

What is the name of China's new space station?

Is ion thruster possible?

How long would it take a plane to fly around UY Scuti?

Why are galaxy clusters important?

How many satellites do you need to cover the earth?

What do supernovas give us?