la formation du système solaire

A tout a commencer par l’ effondrement d’un gros nuage  . fait de gaz et de poussières .

On estime que l’ univers s’ est formé ils y a 15 milliard d’ année .

Le systèmes solaires qui n’ est qu ‘ une petite partie  de l’ univers  , daté lui 4.5 milliard d’ années .

 

C e nuage s’ est mis alors a tournoyer dans l’ univers  et s’ est aplatie  en forme de disque .

Les grains de matières situe au centre  se sont agglomérés  donnant  naissance a une étoile une boule brûlante  et lumineuse  le soleil .

 Autour du soleil  ,  les grains  de matières  se sont concentrès  pour formés les noyaux ayant continuer  à tournée .

d’autres poussières  sont venue s’ attacher à eux  .

jusqu ‘ à former les planètes à sol dure’ (dite telluriques)  Mercure , Venus , La Terre  et Mars.

Puis se sont formés les planétes volumineuses  et gazeuses  ; Jupiter , Saturnes  Uranus ,  Néptunes ,  de plus  en plus petites à mesure de leur éloignement du soleil .Cool

 


404 commentaires

1 2 3 41
  1. Aquaponic Fish dit :

    Can I simply say what a aid to find somebody who really knows what theyre speaking about on the internet. You undoubtedly know easy methods to bring an issue to mild and make it important. Extra people have to learn this and perceive this side of the story. I cant imagine youre not more fashionable because you positively have the gift.

  2. Tanja Karagiannis dit :

    What hosting company are you using for your blog? I looking hosting for my minimum deposit poker www.

  3. scrabble blast free dit :

    I haven’t checked in here for a while since I thought it was getting boring, but the last few posts are great quality so I guess I will add you back to my everyday bloglist.You deserve it friend :)

  4. Aquaponic-How To dit :

    you’ve an important weblog right here! would you prefer to make some invite posts on my blog?

  5. Aquaponics dit :

    Your house is valueble for me. Thanks!…

  6. Katlyn Fragmin dit :

    Hello, I think your website might be having browser compatibility issues. When I look at your blog in Opera, it looks fine but when opening in Internet Explorer, it has some overlapping. I just wanted to give you a quick heads up! Other then that, amazing blog!

  7. Mason Craffey dit :

    It’s a pity you don’t have a donate button! I’d most certainly donate to this brilliant blog! I suppose for now i’ll settle for bookmarking and adding your RSS feed to my Google account. I look forward to brand new updates and will talk about this site with my Facebook group. Talk soon!

  8. bastion of twilight dit :

    hi!,I like your writing so much! share we communicate more about your post on AOL? I need an expert on this area to solve my problem.Maybe that’s you! Looking forward to see you.

  9. integumentary system dit :

    I wished to thanks for this great learn!! I undoubtedly having fun with every little bit of it I have you bookmarked to take a look at new stuff you submit

  10. Toshiko Exilus dit :

    I’d be inclined to cut a deal with you on this. Which is not something I typically do! I enjoy reading a post that will make people think. Also, thanks for allowing me to speak my mind!

1 2 3 41

Répondre

Et si on parlait ! |
okahandongo |
Vieille noix |
Unblog.fr | Annuaire | Signaler un abus | LES AVIONS DE CHASSE
| lescousines72
| LaSassavonnette