Sizes

Have you ever wondered how big a galaxy is? They contain millions to billions of stars but what does that really mean for size?

Reading about sizes in a book is one thing, but what if you could make an observation of a galaxy and then measure its size?

Have you ever wondered how big each of the planets is? Bigger or smaller than the Earth?

You may know that Jupiter is the largest planet in the Solar System, but do you know how much larger than the Earth it is?

Find out by creating a scale model of each planet in our Solar System!

Our Solar System contains the Sun, 8 planets, and many small objects like dwarf planets, moons, and