পোস্টগুলি

মার্চ, ২০২১ থেকে পোস্টগুলি দেখানো হচ্ছে

What is a Black Hole?

Wasanar What is a Black Hole? A black hole is an astonishing body in space . The stellar body in space pulls gravity towards it that not even light can escape from its pull. The gravity increases a thousand folds because the matter is squeezed so tightly.  Usually, a black hole forms when a star is on the verge of dying. Since not even light can get out of the black hole, humans can’t see it. They are practically invisible. Special space telescopes can help detect these black holes.  But here’s a caveat, not even these telescopes can capture the pictures of these black holes except for EHT (Event Horizon Telescope). The EHT is a planet-sized telescope with captured data and photographs of a black hole found in the M87 galaxy for the first time.  The other telescopes detect black holes by looking at how stars present close to black holes react.  The Size of the Black Holes Black holes can be big or small. The smallest black holes, according to scientists, are...