13 Most Iconic Science Pictures Ever Taken

4. Trinity Site Explosion

Is this a tiny organism? A tumor?

Actually, it's a nuclear explosion.

This image was taken at 5:30am, Monday, July 16, 1945, precisely 0.016 seconds after the nuclear age began. Before the characteristic mushroom cloud forms, this is what a nuclear explosion looks like.

Although it looks as though it was taken through an electron microscope, the top of this bubble is actually already 200 metres high, giving you an idea of the speed and the power of such an explosion.

This image marks the exact moment when the world changed for good.