How big is our universe?

We often feel alone and unprotected in this vast universe. But really, how big is our universe? This fascinating interactive animation explores the known universe, from Quantum foam to the Virgo Galactic Group.

via PSFK

See also:

• The evolution of the theory of evolution
• Science distilled in a phrase
• A tale of twins (or how to explain relativity theory)
• The meta-infograph