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Showing posts with the label Cosmology

White Holes: The Universe's Enigmatic Opposite of Black Holes

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White Holes: The Universe's Enigmatic Opposite of Black Holes, Unveiled White Holes: The Universe's Enigmatic Opposite of Black Holes, Unveiled Published on: May 24, 2025 | Written by Science by Rao Figure 1: A visual representation contrasting the inward pull of a black hole with the outward expulsion of a white hole. Abstract: Journey into the mind-bending realm of white holes, the theoretical antithesis of black holes. Explore their mathematical origins, their paradoxical properties, and the reasons why, despite their allure, they remain purely speculative. This post delves into the profound implications of white holes for our understanding of spacetime, gravity, and the universe's ultimate mysteries. 1. Black Holes: The Cosmic Absorbers (A Quick Refresher) To fully appreciate the bewildering concept of a white hole, we must first firmly grasp the nature of its more famous si...

Dark Energy: The Mysterious Force Tearing the Universe Apart

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Dark Energy: The Mysterious Force Tearing the Universe Apart Dark Energy: The Mysterious Force Tearing the Universe Apart Published on: May 21, 2025 | Written by Science by Rao Figure 1: An artistic rendering illustrating the universe's accelerating expansion, with galaxies speeding away from each other, driven by an unseen force. Abstract: Imagine tossing a ball into the air, expecting it to slow down and fall back due to gravity. Now, imagine it defying gravity, accelerating away from you, faster and faster. This seemingly impossible scenario perfectly describes what astronomers have observed happening to our universe on the largest scales. The culprit is **dark energy**, an enigmatic entity that constitutes the vast majority of our cosmos. Far from slowing down, the universe's expansion is accelerating, a startling revelation confirmed in the late 1990s. This post will delve into the profound myste...