Astronomy Themes

Twinkle Twinkle Little Star, how I wonder what you are?

What do the scientists who study the stars want you to know about the universe we live in? Find out as you explore four major themes of modern astronomy. 


A row of six planets of different sizes

Why do we look for other planets, and how do we even know where to look? The answer to these questions is right here.

History and Origin of the Universe

A variety of stellar objects

Before the discovery of cosmic measuring tapes there was no way to accurately measure the distance between two far objects in space. Find out what they are and how they’re used in cosmology here!


The Universe is vast. Although its size is hard to comprehend, investigating its structure and composition us gives us a better understanding of its primary building blocks. Here you can find information about the many types of galaxies that make up the Universe.

Life and Death of Stars

Image of the remnants of a star

The life of a star and its end point vary depending on its initial mass. Explore how stars change as they get older and find out what happens when a star reaches the end of its life.