Deep space background

The Scale of the Cosmos

Embark on a journey across the universe. Discover how astronomers measure the unimaginable expanses between our solar system and the distant stars.

Understand the Scale

Bridging the Cosmic Void

When we look up at the night sky, we are looking back in time. The stars we see are so distant that their light takes years, centuries, or even millennia to reach our eyes. Understanding stellar distances requires shifting our perspective from earthly miles to astronomical units, light years, and parsecs.

Milky Way Galaxy