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An interstellar cloud is a denser-than-average part of the interstellar medium, (ISM). It is matter and radiation in the space between the star systems in a galaxy.
An interstellar cloud is formed by the gas and dust particles from a red giant in its later life.
The cloud is made of gas, plasma, and dust in our and other galaxies.
Its hydrogen can be:
Neutral and ionized clouds are sometimes also called diffuse clouds. view more...
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