اخر فيديو نزلتو
اللغة الانجليزية : فين ادرس | ايش ارخص | مستوى المعاهد | سفر
المدراء و الايميلات
http://youtu.be/x7siAeeCJek
فكرة جتني خفيفة و سريعة و هي مصطلحات من حولي, كل مكان اروحي اخرج الكاميرا و ا فيدكم في الكلمات اللي موجودة حولي. مشاهدة ممتعة يا جماعة …
للتواصل
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TotalBiscuit takes an extensive look at the new MOBA game from Waystone Games.
Play it here: http://o.ea.com/21665
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The link in this description will compensate me for every download of the game. If you would prefer not to use this link, please visit http://www.dawngate.com
نقدر نوصل فوق 5 الالف لايك ؟ ♥♥
للتواصل معي :
قناتي الجديدة http://cutt.us/moDQ
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اسالني : http://ask.fm/mjrmgemz
iD : Mjrmgames
كافه حلقاتي متوفره على الرابط التالي
http://www.youtube.com/user/ihabplanet/videos?view=0&flow=grid
صفحتي الرسميه على الفيسبوك
https://www.facebook.com/groups/ihabplanet/
– لا تنسى تقيم المقطع بـــ لايك و مفضلة و تشترك في قناتي اذا كنت مو مشترك يا مزه :$
اي بي السيرفر
eu.mcgamer.net
تبعني على
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● تويتر
Tweets by FirasAlJuhani
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While massive rigs that cost a fortune get all the attention the truth is most people play on a single 1080p monitor where all that extra power (and money) is wasted. Meet the Neutron, a reasonably priced gaming PC build that’s aimed at running 1080p HD games on Ultra settings without breaking a sweat.
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The gravity of a planet, however weak it might be, is enough to pull its parent star just a little bit out of place as the planet orbits.
While the radial velocity method studies a star’s spectrum to measure the star’s “wobble” toward and away from Earth, there is another trick to measure this tell-tale motion: simply look for the star to move back and forth in the sky.
With exceptionally sharp vision, a telescope can actually see a star move relative to other stars. Astrometry is the science of precisely measuring the position of objects in the sky. If astronomers use this method to monitor a star and see that it sways with a periodic rhythm, like slow dancers at a prom, they can tell that an unseen companion — perhaps a planet — is orbiting the star and pulling it to and fro.
If a planet’s orbit around its star is angled just right, the planet will regularly pass in front of or “transit” its star from our point of view. When it does, the planet will block a tiny bit of the star’s light.
Astronomers can search for planets by watching for slight, periodic changes in the brightness of a star. If the brightness of a star changes regularly and consistently, it could mean that a planet is repeatedly transiting the star and blocking a little bit of starlight each time around.