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I. Introduction
A. Attention Device -- Some nights I look up into the dark sky, and wonder to myself what the cosmos hold, as vast as it is. It makes me think of the infinite amount of stars, the ever-growing universe, the array of colorful galaxies, and so on. But the thing makes me wonder the most, is the existence of black holes B. Statement of topic and it's significance -- Black holes are one of the most amazing, yet most confusing phenomenon of modern astronomy. C. THESIS STATEMENT: -- In order to fully grasp the understanding of black holes, you first have to understand the formation of a black hole, its known nature and how it affects its environment, and the separate phenomenon(s) that occur within a black hole.
II. Body A. Main Point A (FORMATION) 1. The collapse of a body into extreme density with tiny volume 2. Typically, black holes are created from dying stars; how a star dies 3. Literally anything can become a black hole; Schwarzschild radius
Reference for your Supporting Facts: “The sound the universe makes”, “A Brief History of Time”, “An introduction to general relativity, black holes, and gravitational waves”
TRANSITION STATEMENT: It’s important to explain what a black does and what occurs within a black hole once they are finally formed. B. Main Point B (NATURE) 1. Even horizon, this is the point of no return 2. Incredible gravity and density; singularity 3. Two different types of black holes; angular momentum
Reference for your Supporting Facts: “The sound the universe makes”, “A Brief History of Time”, “An introduction to general relativity, black holes, and gravitational waves”, “Travel INSIDE a Black Hole”

TRANSITION STATEMENT: So because of the nature of the black hole, it has incomprehensible affects on it’s surroundings and can create it’s own separate phenomenon. To help understand these phenomenons associated with black holes, imagine the situation where you,

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