نكمل بحثنا في مستشفى عرقة، و بدأت المزة المرعبة بمطاردتنا! بس ما عليك قلوبنا قوية و نحن عارفين ان هذا كله مجرد خرافات…. صح؟
إذا عجبك المقطع لا تنسى تدعمنا بـ”لايك”
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The ML05 from Silverstone is physically about as small as it gets without resorting to weird things like external power supplies… And it’s REALLY cool… But the challenge for me is that I just don’t know WHO this case was built for…
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.