The ultraviolet wave is shorter than visible light but longer than x-rays or gamma rays.

In 1801, Johann Ritter conducted an experiment to investigate the existence of energy beyond the violet end of the visible spectrum.when he was tweaking with it he discovered ultraviolet light.

ULTRAVIOLET WAVES

DISCOVERY

HUMAN USES:

Astronomical uses:

NASA's Solar Dynamics Observatory (SDO) spacecraft captured this view of plasma erupting on the Sun's surface.