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.
The Crab Nebula has a noble gas molecule, researchers said this week, noting that the find is starling because it has been assumed noble gas molecules donât occur in space. The Crab Nebula is the remnants of a star that exploded years ago. The Crab Nebula (Hubble Telescope) Poster from The Astronomy Gift Shop on Zazzle. This space image is also available on many other products. Image by NASA - see product page for full image credit.