PPT Slide

Discovery Of Galaxies

• We have encountered a few types of nebulae…..

Diffuse Nebulae Planetary Nebulae

Supernovae Remnants

• In the 1600s, 1700s, 1800s, and even the early 1900s, the nature of the nebulae was not known…..

Previous slide

Next slide

Back to first slide

View graphic version