This amazing photo of the sun was made from neutrinos, tiny subatomic particles similar to electrons but with no electrical charge:

Source: Astronomy Picture Of The Day / R. Svoboda and K. Gordan (LSU)

Even more amazing: the 'camera' that shot this 'picture' was pointed towards the ground, not towards the sky – this is an image of the sun formed by neutrinos that passed through the earth and came out the other side.