By Sheetal Kumari | January 16, 2025
Galaxies form as gravity pulls matter together in clumps. However, the exact process and the role of dark matter remain puzzles for astronomers.
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Life may exist beyond Earth, but the Fermi Paradox asks: “If aliens are common, where are they?” Finding extraterrestrial life remains one of humanity’s greatest mysteries.
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The Big Bang created space, time, and matter. But was there a “before”? Some theories suggest higher-dimensional collisions might hold the answer.
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Ordinary matter forms only 4% of the Universe. Dark matter and dark energy dominate, yet their true nature remains completely unknown.
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The Universe might have expanded exponentially in its first moments. Though inflation explains many phenomena, direct evidence remains elusive.
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Slight changes to particle masses or forces would make stars, planets, and life impossible. Is this fine-tuning a coincidence or evidence of a multiverse?
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Einstein’s General Relativity is our best theory of gravity. Yet unexplained phenomena hint that it may one day be replaced by an even better theory.
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Since 1998, we’ve known the Universe’s expansion is accelerating. Dark energy likely drives this, but its properties remain deeply mysterious.
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Dark energy could lead to eternal expansion or a “Big Rip.” Others suggest all matter might eventually decay, leaving an empty cosmos.
(Image: AI Generated)