เสียงที่ใช้ร่วมกัน

This is one of the most mysterious and interesting part of our universe - The Black Hole What is a Black Hole? A Black Hole is a region of space where gravity is so strong that nothing can escape, not even light. It forms when a very massive star collapses under its own gravity. The gravitational pull becomes extremely strong because the mass is compressed into a very small region.