What determines the shape of a nebula?

This will vary tremendously, but it comes down to the interaction of the materials in the nebula itself. This Hubble Space Telescope image of the Cat's Eye Nebula gives a very dramatic view of the processes involved. (Image courtesy NASA/ESA/STSI). read more

This will vary tremendously, but it comes down to the interaction of the materials in the nebula itself. This Hubble Space Telescope image of the Cat’s Eye Nebula gives a very dramatic view of the processes involved. read more

The word"nebula" is derived from the Latin word for"clouds". Indeed, a nebula is a cosmic cloud of gas and dust floating in space. More than one nebula are called nebulae. Nebulae are the basic building blocks of the universe. They contain the elements from which stars and solar systems are built. read more