The bigger the black holes became, the bigger their appetites. Nowadays, scientists think that supermassive black holes formed in the early days of the Universe, when many smaller black holes merged.

All the red, blue, and yellow dots or clouds are stars or gas clouds.Figure 1 - Photo of Sagittarius A *, the supermassive black hole in the middle of our galaxy, the Milky Way.For example, how can such powerful objects exist in the first place? As you can tell from the name, they are very, very massive-they can grow to be billions of times the mass of the Sun! There are many interesting and puzzling questions about these odd heroes of the galaxies. Take the supermassive black holes in the centers of galaxies ( Figure 1). Black holes are very mysterious, but one thing is sure: without them, our universe would not look the same! In reality, rather than evil beasts, astronomers consider black holes to be the unsung heroes of the galaxies-heroes that eat in a messy way. Better stay very far away from them because they devour everything near them in one bite, do they not? Black holes have the reputation of being very hungry objects. If you like astronomy, you have probably heard of black holes-the beasts of the universe. The Secret Life of Supermassive Black Holes We will also mention some of the things we still do not understand about black holes and their jets. Supermassive black holes the centers of galaxies can create jets that travel very far and affect the birth of baby stars! In this article, we will describe some of the things we know about black holes, including how astronomers found out about black hole jets using powerful telescopes. Part of it rotates around the spinning black hole, like a merry-go-round, and is eventually thrown outward as very bright, energetic streams of particles called jets.

They do not swallow their whole “meal” (such as interstellar gas and dust) in a mouthful. In reality, black holes “eat” in a messy way, while spinning around super quickly. We often think of black holes as mysterious objects that swallow everything that passes by them-from dust to entire stars.

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