How does your idea of 'big' change when you think about different things?

Thinking about size in different ways helps you see the world with fresh eyes. It can show how your experiences shape what you consider big or small.

Look around and pick three objects. Try to guess their size, then check online or measure them to see how accurate you were.

What else is in this exploration

5 evidence blocks4 perspectives4 visualizations11 media resources13 rabbit holes

evidence

Atoms are incredibly small, about one ten-billionth of a meter across.

evidence

The observable universe is about 93 billion light-years wide.

evidence

The Earth is about 12,742 kilometers (7,918 miles) wide.