The universe is 13.7 bln years old, however in every direction we look we see objects 47 bln light years away, that is, light should have needed 47 bln years to reach us. So you might ask how could light travel 47 bln light years in just 13.7 bln years? Well this is just a consequence of the expansion of the universe: Light gets dragged away from us.

A fun way to investigate the size of the Universe; from galaxies to insects, stars to atoms... Scalable photos and 3-D renderings:

To experience the above interactive infographic:
Step 1: For full screen click the “Full Screen” button in the top right corner of the infographic.

Step 2: Choose one of nine starting points by moving your mouse over and clicking one of the 9 images (atoms, animals, buildings, mountains, planets, stars, nebulae, galaxies and the observable universe).

Step 3: On the bottom of the infographic drag the blue circle left and right to change scale.

Step 4: To relocate to one of the nine entry points simply click the corresponding yellow dot on the scroller at the bottom of the page.

(3 videos / 20 min)