Investigate Day and Night

Short Intro Text: 

On Earth, night follows day and day follows night. But why?

Complete this fun investigation to find out!

Make Your Own Impact Crater

Impact craters are made when a space rock (called a meteorite or asteroid) hits a rocky planet or moon. The impact makes a round hole in the surface, called a crater.

Photo of the Barringer Meteor Crater in Arizona

Predict the Solar Cycle

The Sun is a constant presence in our life on Earth. It gives us the heat and light we need to survive. But it is not a stable place. The Sun is a ball of hot plasma which is constantly changing.

Predicting the Sun's Cycle

Explore The Moon's Surface

You have probably seen the Moon in the sky but have you ever studied it in detail?

The surface of the Moon with cartoon rulers and tally-counts

Kepler's Laws: Find the Mass of the Sun

Many years ago, a mathematician named Johannes Kepler created a set of rules explaining planets' movement in our Solar System.

The picture shows a cartoon portrait of Johannes Kepler in front of an artist's impression of the Solar System.

Create An Expanding Universe

You have likely heard about the Universe expanding. Or that redshift can tell us about the movements of galaxies. Both are difficult ideas to imagine and understand.

Cartoon of a person blowing up a balloon. The balloon is covered with galaxies.