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Is cosmic dust and nebula the same?

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Cosmic dust is the interstellar /intergalactic medium which fills the expanses between the objects in the universe, including nebulae - and is very diluted. read more

Cosmic dust is the mixture of gases and very small suspended particles in space.Their size may range from few molecules to several microns.Mostly they are minerals and charged particles in outer space.Cosmic dust and other gases can be seen in nebula, galaxies etc.They are released during life cycle of stars.Some cosmic dust particle also enter the earths atmosphere.They are collected for research to understand the secrets of the Universe. read more

Cosmic dust, also called extraterrestrial dust or space dust, is dust which exists in outer space, as well as all over planet Earth. Most cosmic dust particles are between a few molecules to 0.1 µm in size. A smaller fraction of all dust in space consists of larger refractory minerals that condensed as matter left by stars. read more

Barnard 68 is an example of a relatively dense cloud or dark nebula containing tiny, solid dust grains. Such opaque clouds are conspicuous on any photograph of the Milky Way, the galaxy in which the Sun is located (see the figures in The Milky Way Galaxy). read more

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