The Neolithic followed the Paleolithic Period, or age of chipped-stone tools, and preceded the Bronze Age, or early period of metal tools. Read More on This Topic Stone Age: Neolithic
A nebula (Latin for cloud; pl. nebulae, nebulae, nebulÃ¦ or) nebulas is an interstellar cloud of, dust, hydrogen helium and other ionized. Gases, originally nebula was a name for any diffuse astronomical, object including galaxies beyond The Milky. wayxamples of these types of nebulae are the Rosette Nebula and the Pelican Nebula. The size of these nebulae, known as HII regions, varies depending on the size of the original cloud of gas. New stars are formed in the nebulae.
Ring Nebula Facts. 1  The Ring Nebula is a planetary nebula, these type of nebula are created when a small star sheds it mass at the end of its life span.  The core of the dead star remains in the form of white dwarf, it ionizes the surrounding gas producing an impressive light display.