5 Astronomical Revelations That Redefined Our Place in The Cosmos
<p><strong>Exoplanets:</strong> Humans historically assumed only this special planet harbored life, making even fictional concepts like Star Wars’ many populated worlds pure fantasy. But everything changed in 1992 with the confirmed discovery of planets orbiting a pulsar. Today over 5,000 exoplanets populate the databases — with estimates suggesting one circles every star. This ubiquity reframes Earth less singularly as one small, likely unremarkable planet among sextillions where biology may thrive too.</p>
<p><strong>Dark Matter and Energy:</strong> When calculating how gravity shapes galactic motion and cosmic background radiation patterns, physicists uncovered discrepancies suggesting the observable matter was insufficient, with extra invisible mass and energy required. This mysterious “dark” content making up over 95% of universe’s total substance topples familiar perceptions that what can be seen constitutes everything. Reality proved far more unknown than believed.</p>
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