What is an interstellar black hole?
What is an interstellar black hole?
In the movie “Interstellar,” a fictional black hole called Gargantua takes center stage. The film came out exactly five years ago, in November 2014. Indeed, the movie’s depiction of Gargantua was lauded as the most accurate film portrayal of a black hole ever.
Is a black hole a sphere or a disc?
A black hole is a sphere in the sense that everything that goes within its Schwarzschild radius (the distance from the center of the black hole to the event horizon) cannot escape its gravity.
What is the Ergosphere of a black hole?
The ergosphere is the region wherein the spacetime continuum has been deformed by the black hole to such an extent that you can enter it and leave if you travelled fast enough (but less than at the speed of light).
What is the densest thing in the universe?
neutron star
Arguably the densest thing in the universe is a neutron star.
Are black holes rotating?
Yes. All astronomical objects, including black holes, are formed by gravity pulling matter together. In a turbulent and angular momentum-rich Universe like ours, this means everything from dust particles to black holes will have some degree of rotation.
Can you harvest energy from a black hole?
The Penrose process (also called Penrose mechanism) is theorised by Roger Penrose as a means whereby energy can be extracted from a rotating black hole. All objects in the ergosphere become dragged by a rotating spacetime. In the process, a lump of matter entering the ergosphere is triggered to split into two parts.
What’s the name of the black hole in YouTube?
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Do you know what’s inside a black hole?
Black holes are mysterious and bizarre objects in the universe that really have no explanation. In fact, we hardly know anything about what lies inside of a black hole.
Where are supermassive black holes found in the universe?
Supermassive black holes with masses millions to billions of times that of the sun are thought to lurk at the hearts of all galaxies in the universe. You may notice that when you see a photo of a spiral galaxy, such as the Milky Way, in the center of the galaxy is a giant mass of light,…
How does a black hole in the middle of a galaxy feed?
In more basic terms, the Supermassive Black Hole in the middle of a galaxy feeds intermittently. As it feeds, gas swirls around it at incredible speeds and forms an insanely bright hot orbiting disk. And if the black hole is swallowing a large amount of material, this feeding is accompanied by gigantic jets of gas.