Tag: universe-expansion
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Redshift Explained: How Light Tells the Universe’s Story
🌌 Hello Cosmic Explorers! 🚀 How’s everything going?As promised in the last post, I’m here to take you on a journey where we’ll understand everything about redshift.But to do that, we need to revisit some good old school science. Are you ready? Let’s get started! 🌠 ⚡ What is Electromagnetic Radiation? Every cosmic entity —…
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The Universe Is Expanding… But Are We Sure?
🚀 “Guys… can you see me? Oh no, why is everything red? Guys, why are you moving away?” 😱 Haha, do you think I’m rambling? Well, not really. This is actually about today’s topic — the expansion of the universe. Before jumping into how it’s calculated, we need to ask something more basic:👉 How do…
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