A black hole is a region of space time exhibiting such strong gravitational effects that nothing not even particles & electromagnetic radiation such as light can escape from inside it.
a black hole was found by Karl Schwarzschild in 1916.
image from https://wallpapershome.com/space/black-hole-space-universe-12281.html?back=2
@miraarroyo got you a $1.56 @minnowbooster upgoat, nice! (Image: pixabay.com)
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