Rodrigo de Oliveira

Rodrigo de Oliveira

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nascido-trouxa que nunca recebeu a carta de hogwarts.
Rodrigo de Oliveira
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Stars ~ Stars form in the densest regions of the interstellar medium, or ISM, called molecular clouds. The ISM is the name given to the gas and dust that exists between the stars within a galaxy. It is 99% gas and 1% dust, by mass. Molecular clouds are perfect star-forming regions because the combination of these atoms into molecules is much more likely in very dense regions.

Stars form in the densest regions of the interstellar medium, or ISM, called molecular clouds, gas & dust exists between the stars within a galaxy. It is gas & dust, by mass

Cat's Eye Nebula. NASA Flickr stream.

NASA's Hubble Space Telescope imagery: The Cat's Eye Nebula, one of the first planetary nebulae discovered, also has one of the most complex forms known to this kind of nebula. Eleven rings, or shells, of gas make up the Cat's Eye.