BIRTH OF A STAR (simulation) by claude19

Fractal • Science Fiction • posted on Nov 20, 2008

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Description

Tout comme les êtres vivants, les étoiles naissent, vivent et meurent. Par contre, leur cycle de vie s’étend sur des millions, voire des milliards d’années. Les étoiles naissent dans des nuages de gaz et de poussière appelés nébuleuses. Elles sont si vastes et elles contiennent tellement de matière qu’une seule d’entre elles peut donner naissance à plusieurs étoiles. À l’intérieur de ces « pouponnières » géantes, il y a des régions où la matière est plus concentrée et plus dense : on les appelle les « globules de Bok. * Ces globules ont normalement la dimension du système solaire. Il y fait encoretrès froid (environ -260 C) et très noir. Lorsque le globule gagne en densité et en chaleur, parfois grâce à l’explosion d’une étoile, il commence à briller et il passe au stade de « protoétoile ». Il faudra attendre que le centre de la protoétoile, enveloppé de son cocon de gaz, atteigne les 10 millions de degrés pour que les réactions nucléaires soient suffisamment fortes et contribuent à la création d’une étoile. Dépendamment desa masse, la protoétoile prendra entre 300 000 ans et 30 000 millions d’années avant d’atteindre le statut d’étoile. Just like the living beings, the stars are born, live and die. On the other hand, their life cycle extends on million, even billion years. The stars are born in clouds from gases and dust called nebulas. They are so vast and they contain matter so much that only one of them can give rise to several stars. Inside these giant “nurseries”, there are areas where the matter is concentrated and denser: they are called the “globules of Bok. * These globules have the dimension of the solar system normally. It made there more very cold (approximately -260 C) and very black. When the globule gains of density and in heat, sometimes thanks to the explosion of a star, it starts to shine and it reaches “the protostar” stage. It will have to be waited until the center of protostar, wrapped of its gas cocoon, reaches the 10 million degrees so that the nuclear reactions are sufficiently strong and contribute to the creation of a star. Dependently with the mass, the protostar will take between 300.000 years and 30.000 million years before reaching the star statute.

Comments (28)

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PSDuck

12:45AM | Thu, 20 November 2008

Absolutely beautiful. Well done.

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Naoo

12:54AM | Thu, 20 November 2008

-- cool --

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Demented_She-Penguin

1:05AM | Thu, 20 November 2008

Very Beautiful and informative. Excellent!!

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leanndra

1:28AM | Thu, 20 November 2008

Beautiful, and I love the scientific explanations! I am an astronomy nut too! ;)

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A_Sunbeam

3:14AM | Thu, 20 November 2008

Well interpreted - nice work!

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saretta

6:13AM | Thu, 20 November 2008

Fantastic Claude,you brought us to outer space and gave us a wonderful creation,i love it!!:-)

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NekhbetSun

7:11AM | Thu, 20 November 2008

Absolutely stunning Claude !!!

M2A

7:54AM | Thu, 20 November 2008

Simulation is successfully reached and rendered. Looks like a NASA program telescop capture. Very good distribution of the color nuances.

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MrsRatbag

8:17AM | Thu, 20 November 2008

Very excellent work, this is fabulous!

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algra

8:27AM | Thu, 20 November 2008

Fantastic visualisation.

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lyron

9:03AM | Thu, 20 November 2008

I hope your work were easier. Fantastic!!

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pops

10:30AM | Thu, 20 November 2008

Glorous image

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Janiss

10:45AM | Thu, 20 November 2008

Grandiose Claude!

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Darklorddc

10:46AM | Thu, 20 November 2008

Beautiful image!

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carlx

12:46PM | Thu, 20 November 2008

Looks shining and wonderful!!!

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kimariehere

1:46PM | Thu, 20 November 2008

spectacular beauty and brilliant light bursting forth !!! LOVE THIS!!!!

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bpclarke

4:17PM | Thu, 20 November 2008

Very lovely work. Full of action. Bunny

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LivingPixels

4:29PM | Thu, 20 November 2008

Claude you,ve left me in a state of electrification again awesome rendition and intepretaion of whats going on another cosmolgical wonder. Well done my friend!!!

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bakapo

5:50PM | Thu, 20 November 2008

a very pretty burst of energy and light. well done!

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jocko500

6:13PM | Thu, 20 November 2008

wonderful design

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three_grrr

8:18PM | Thu, 20 November 2008

I was at one of the web sites you posted looking at the pictures of nebulae, stars, and such. This looks very much like some of the images taken in deep space by our huge telescopes on the earth and by Hubble. Very beatiful, and very realistic. Our life span in comparison to a stars life span is shorter then a nanosecond!

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