Galactic Dust and Nebulae

What does the interstellar medium look like?

It can appear in an amazing variety of forms and colors. Much of the interstellar medium is invisible; in fact, it will block the view of distant astronomical objects. However, through various physical processes, the interstellar medium can collect in special configurations and produce beautiful nebulae with remarkable shapes and sizes. The names of some of these nebulae reveal some of their charm: the Rosette, the Cat’s Eye, the Hourglass, the Clownface, and the Veil.


This is a web preview of the "The Handy Astronomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App