solar system
Material that is in orbit around a massive central body is an accretion disk. This disk can eventually turn into a white dwarf star.
An accretion disc may eventually form planets such as the ones in our solar system.
It is believed planets form via accretion. However, due to the large size of Jovian planets, there would not be enough time for these to form via accretion. This presents the â??Jovian Problemâ?? which contends that since these type planets abound in planetary systems, there may be another way in which these planets may form.
Gravitational instability theory, is a theory that the Jovian planets are formed directly from the instabilities within the gasses around them which leads to gravitational collapse. This makes one of the four giant outer planets of the solar system, which resembles Jupiter in physical and chemicalcomposition.gravitational instabability theory -- gas and dust sticks to itself and colapses.core accretion theory -- a core of rock and ice attracts gasses.
Yes, bismuth in some form is naturally occurring. It may or may not occur in elemental form.
Some extrusive rocks such as lava and ejecta form in minutes. Stalactites may form in a few tens of years, but commonly longer. Other rocks may take millions of years, and may have to be recycled through metamorphism to attain their final form.
Glowing gas clouds that will eventually become stars--as the question is phrased the answer must be: Reflection Nebulae. These are clouds of gas lit by nearby stars. Eventually this gas will be incorporated in new stars, but probably not for a long, long time.The asker may have been after: What are the interstellar gas clouds glowing in THE INFRARED that will eventually become stars?The answer to this is a proto-stellar cloud.Previous answer:ProtostarsThis is not correct. A protostar is exactly what it sounds like--a star in the process of forming. In the protostar state, a gaseous mass has formed a central clump surrounded by a thick disk of gas and dust.The cloud of gas and dust surrounding a protostar make it very hard to detect, and in fact they are only seen in the deep infrared--they are not visible to the human eye.
An creation disk may eventually form a
Solar system
solar system Material that is in orbit around a massive central body is an accretion disk. This disk can eventually turn into a white dwarf star. An accretion disc may eventually form planets such as the ones in our solar system.
When a nebula is disturbed by an outside explosion, it may form an accretion disc.
When a nebula is disturbed by an outside explosion, it may form an accretion disc.
When a nebula is disturbed by an outside explosion, it may form an accretion disc.
When a nebula is disturbed by an outside explosion, it may form an accretion disc.
When a nebula is disturbed by an outside explosion, it may form an accretion disc.
When a nebula is disturbed by an outside explosion, it may form an accretion disc.
accretion disk
nebula
This description describes a nebula.