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Black hole facts
The document discusses black holes, defined as regions in space-time with gravitational fields so strong that escape velocity exceeds the speed of light. It covers their formation, types, properties, and the first image captured of a black hole's event horizon. Additionally, the document highlights interesting facts such as their ability to distort time and space and their influence on star formation in galaxies.
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Black hole facts
- 1. BLACK HOLE FACTS -BY KAUSHAL KUMAR JHA
- 2. CONTENT : TheoreticalDefinition General Relativity Model of Black Hole Types How are they Formed ? Properties Types First Real Image Interesting Facts
- 3. Black Holes: A TheoreticalDefinition An area of space-time with a gravitational field so intense that its escape velocity far exceeds the speed of light or at least is equal to exceeds the speed of light. Black holes are, literally, invisible as they absorb all electromagnetic radiation, which means none of our telescopes,X-ray and gamma- ray - can detect them.
- 4. In Terms ofGeneral Relativity : Einstein’s Theory of General Relativity basically says that gravity warps space time. So black holes warp space-time as well.
- 5. The blackhole no hair theorem postulates that mass, charge, and angular momentum are the only properties a black hole can possess. A simplified Model
- 6. Types Of BlackHoles : “Normal Sized” Black Holes Microscopic (Primordial) Sized Super-Massive Black Holes (On the order of millions to billions of Solar Masses)
- 7. First Image OfA Back Hole Event Horizon : The EHT released the first successful image of a black hole’s event horizon. The black hole is at the heart of galaxy Messier 87. The visible ring indicates the strength of gravity and gravitational lensing around the central black hole.
- 8. How Are BlackHoles formed ? Stars with a mass at least three times greater than that of our Sun's can undergo extreme gravitational collapse once their fuel depletes. With so much mass in a confined volume, the collective force of gravity overcomes the rule that usually keeps multiple atoms from occupying the same space. All this density creates a black hole.
- 9. Interesting Facts: Blackholes distort time and space around them. Supermassive black holes also give birth to stars and determine how many stars a galaxy gets. The first object considered to be a black hole is Cygnus X-1.
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