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Black Hole Presentation

Transcript: What is a Black Hole? How big are they? There are 20 dynamically confirmed black holes When a star runs out of its fuel, hydrogen, fusion takes place turning hydrogen waste into helium and from helium to lithium and so on. Black Holes Learning Target D Learning Target E Learning Target F A Black hole is an object in space so dense that its gravitational pull exceeds the speed of light. What happen if you fall in a black hole ? The most common theory of how a black hole forms is where a colossal star with a mass of more than 3 times the Sun’s reaches the end of its life, gets crushed under its own gravity, leaving behind a compact blackhole. How common are they? How are Black Holes formed? Yes, this does apply to black holes. There is no difference between the gravitational field of a black hole and any other spherical object of the same mass. People say that a black hole "sucks in everything" in its surroundings but this is only true within a short distance of a black hole.In general, the closer you are to an object that has a gravitational field, there is more gravity exerted on you. Fission is not related to black holes. Fission is the process in which the nucleus of an atom is split by a shot neutron, creating energy. Learning Target G Fusion does remotely relate to black holes. Black holes are created by an exploding star which rips a hole in space creating a black hole. The star is "powered" by hydrogen. When it runs out of hydrogen, fusion takes place turning hydrogen waste into helium and so on.

Black Hole Presentation

Transcript: By Josh Mossing Learning Target G What is a Black Hole? How big are they? There are 20 dynamically confirmed black holes When a star runs out of its fuel, hydrogen, fusion takes place turning hydrogen waste into helium and from helium to lithium and so on. Black Holes Black Holes are approximtely 30 km in diameter which is about 18.6 miles The relationship of mass and weight sort of relates to black holes. Mass always stays the same but weight changes depending on gravity. If an object is on the horizon of a black hole the gravity will increase. Learning Target D Learning Target E Learning Target F A Black hole is an object in space so dense that its gravitational pull exceeds the speed of light. The most common theory of how a black hole forms is where a colossal star with a mass of more than 3 times the Sun’s reaches the end of its life, gets crushed under its own gravity, leaving behind a compact blackhole. Learning Target C Learning Target H How common are they? How are Black Holes formed? Drawing isotopes has nothing to do with black holes because a black hole is not made up of any element, it is just empty space. Yes, this does apply to black holes. There is no difference between the gravitational field of a black hole and any other spherical object of the same mass. People say that a black hole "sucks in everything" in its surroundings but this is only true within a short distance of a black hole.In general, the closer you are to an object that has a gravitational field, there is more gravity exerted on you. Learning Target A The difference between a chemical and nuclear reaction is that a nuclear reaction takes place in the nucleus while a chemical reaction takes place in electrons. This is not related to black holes because they are not made up of atoms. Fission is not related to black holes. Fission is the process in which the nucleus of an atom is split by a shot neutron, creating energy. Learning Target B Fusion does remotely relate to black holes. Black holes are created by an exploding star which rips a hole in space creating a black hole. The star is "powered" by hydrogen. When it runs out of hydrogen, fusion takes place turning hydrogen waste into helium and so on. Describing how a radioactive isotope differs from a stable isotope does not relate to black holes because a black hole does not have isotopes.

BLACK HOLE PRESENTATION

Transcript: THE AREAS OF A BLACK HOLE AND THE PROCESS CONTINUED HOW BLACK HOLES ARE FORMED Most black holes are created from dying stars. Inside a star, the nuclear fuel of a star and its own gravity collide. Creating stability when the star runs out of nuclear fuel gravity compresses the star. The outer layers explode into a supernova, and the center implodes while collapsing inwardly. Nothing that falls into a black hole can, come back out again at least not in its original form. QUICK FACTS CONTINUED EARLY PREDICTIONS & THEORIES QUICK FACTS Einstein's bizarre equations suggest the possibility parallel universes being located through black holes. TYPES OF BLACK HOLES The massive gravitational influence of a black hole distorts space and time. WHAT IS A BLACK HOLE? There are three types of black holes. Supermassive being the largest, stellar being the second to largest and primordial being the smallest. A black hole is a region in spacetime exhibiting strong gravitational effects so strong that even light is not able to escape. No one has actually seen a black hole It has been theorized that black holes were created shortly after the Big Bang took place. The term "black hole" was coined by an American astronomer named John Wheelr in 1967. A common misconception many people believe is that Albert Einstein was the first to coin the idea of black holes but this is false it was actually a geologist named John Michell. He first conceived the idea in the 18th century. Einstein later added to Michell's idea of black holes in 1916 with his general theory of relativity. Carl Schwarzschild also contributed important information regarding black holes. Once a black hole is formed its graviational pull starts to pull nearby objects into its accretion disk circulating objects and materials until it eventually makes it way towards the event horizon. THE AREAS OF A BLACK HOLE AND THE PROCESS The event horizon is also referred to as "the point of no return". Because once something crosses the event horizon, it is lost. The event horizon is located at the center of a black hole. This is the area where the gravity of the black hole overcomes the momentum of matter spinning around it in the accretion disk. Once something starts to near the event horizon something called "spaghettification" begins to happen. Which at first I was like is this even a real word but upon doing some further research I found out that this was actually a real term which was created by this dude named Stephen Hawking. BLACK HOLES

Black hole presentation

Transcript: Best evidence yet that Black holes exist. A team of astronomers has found indirect evidence of a super massive black holes event horizon providing further proof that these wacky objects actually exist in nature. An artists conception of a super massive black hole. There are many wild ideas in science. The gravitation force of the star acting on a chunk of matter at the star's surface will want to cause that matter. How big is a Black hole? Why do stars end up in the black hole? A black hole is a place where gravity pull so much that even light cannot get out. Could a black hole destroy Earth? A wormhole is a theoretical passage through space-time that could create shortcuts for long journeys across the universe. Wormholes are predicted by the theory of general reality. But be wary: worm holes bring with them the dangers of sudden collapse high radiation and dangerous contact with exotic matter. How big can a black hole get? Black holes can be big or smaller but scientists think the smallest black holes are as small as just one atom. What if the Sun became a Black Hole? Can you see a black hole? What is a white hole? Bo Jangles will see things quite differently from you.As you get closer and closer to to the horizon,he will see you move more slowly and more slowly. Black Holes By:Alex Boyles and Kenji Vue 4-5-17 No you cannot directly see the black hole not even light can escape but you can see some of the fireworks going on near a black hole. A white hole is a hypothetical feature of the universe and white holes are eruption of matter and energy and nothing can get inside them. There is no limit on how large the black hole can be. How is time changed in a black hole? At first you don't feel any gravitational forces. And then your body and your spaceship is being pulled in the same way and you will feel weightless. How do black holes evaporate? What is a Black Hole? What would happen to me if I fell into a Black Hole? What is a worm hole? Nothing lasts forever not even black holes. According to Stephen hawking black holes will evaporate over vast periods of time. ... Over vast periods of time the theory says that this trickle of escaping particles causes the black hole to evaporate. If a black hole existed, would it suck up all the matter in the universe? Bibliography Is there any evidence that black holes exist? A black hole has a horizon which means a region from which you can't escape. Black holes do not go around in space eating stars,moons and planets. Earth will not fall into a black hole because no black hole is close enough to the solar system for earth to do that. My friend Mr. Bo Jangles is stilling still at a safe distance watching me fall into the black hole. What does he see? If you were to enter a black hole,you would find watch ticking along at the same rate as it always has. The sun has no intention of being black holes because only stars that weigh considerably more than the sun end their lives as black holes. Easybib Nasa.gov Spaceplace.Nasa.gov Spacetelescope.org Phys.vt.edu Cosmology.berkeley.edu

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