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Sky of Starry Night You could put your verification ID in a comment Or, in its own meta tag Or, as one of your keywords Your content is here. The verification ID will NOT be detected if you put it here. آسمان شب ستاره ای - کهکشان ها
پنجشنبه 1392/07/18  00:00
توسط: Abolfazl Akhtari

جزیره های  ستاره ای

از زمین فضا به نظر پر ستاره است . اما اگر در سفری خیالی بتوانید از زمین بسیار دور شود , اگر به دور و بر خود نگاه کنید , می بینید که انبوهی از ستاره ها مانند جزیره ای در فضا جمع شده اند . به اطراف نگاه کنید . جزیره های بسیاری دیده می شوند . به این جزیره های ستاره ای کهکشان می گویند .

کهکشان ها چند نوع اند :

1- بعضی از کهکشان های شکل خاصی ندارند به این کهکشان ها کهکشان های نا منظم می گویند .

2- کهکشان های مار پیچی .

3- کهکشان های مار پیچی میله ای .

4- کهکشان های بیضوی .

 

کهکشان مثلث

 

 

 


  • آخرین ویرایش:چهارشنبه 1392/07/17
How do I stretch my Achilles tendon?
شنبه 1396/07/1 17:20
Informative article, exactly what I was looking for.
foot pain
شنبه 1396/06/18 13:38
I really like reading a post that can make men and women think.

Also, thank you for allowing me to comment!
Can you get taller with yoga?
دوشنبه 1396/05/30 09:36
Sweet blog! I found it while browsing on Yahoo News.
Do you have any tips on how to get listed in Yahoo News? I've been trying for a while but I never seem to get there!
Thanks
How long does Achilles tendonitis last for?
یکشنبه 1396/05/15 22:53
Your style is so unique in comparison to other people I've
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will just bookmark this blog.
How do I stretch my Achilles tendon?
شنبه 1396/05/14 21:04
Nice blog here! Also your site loads up very fast! What host are you using?
Can I get your affiliate link to your host?
I wish my site loaded up as quickly as yours lol
manicure
پنجشنبه 1396/02/7 20:07
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I appreciate you taking the time and energy to put this content together.
I once again find myself spending way too much time both reading and posting comments.
But so what, it was still worth it!
BHW
سه شنبه 1396/01/22 08:22
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It's on a entirely different subject but it has pretty much the
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manicure
دوشنبه 1396/01/21 15:23
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manicure
دوشنبه 1396/01/21 12:55
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manicure
یکشنبه 1396/01/20 13:05
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