The Discovery of Gravitational Waves Explained

The ripples that traverse the cosmos, once a theoretical curiosity, have become one of the most profound windows into the workings of our universe. The prediction of gravitational wave phenomena nearly a century ago laid dormant until technological ingenuity and perseverance led to their first direct observation. These spacetime vibrations carry information about cataclysmic events,…

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How Astronomers Measure the Age of the Universe

The pursuit to determine the universe’s age combines observational precision with theoretical insight. Astronomers rely on multiple independent techniques to cross-check results and refine their estimates. This article explores the primary methods used to piece together the timeline of cosmic history and understand how scientists arrive at a figure roughly 13.8 billion years. Observing the…

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