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- https://science.nasa.gov/astrophysics/focus-areas/black-holesSCIENCE.NASA.GOVBlack Holes | Science Mission DirectorateDon't let the name fool you: a black hole is anything but empty space. Rather, it is a great amount of matter packed into a very small area - think of a star ten times more massive than the Sun squeezed into a sphere approximately the diameter of New York City. The result is a gravitational field so strong that nothing, not even light, can escape. In recent years, NASA6 الوسوم 0 المشاركات 1 مشاهدةالرجاء تسجيل الدخول , للأعجاب والمشاركة والتعليق على هذا!
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