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🕳️ Gravitational Ripples

When two black holes collide, the merger releases more energy in a fraction of a second than all the stars in the observable universe combined, warping the fabric of space-time across galaxies. 🌊

#blackhole #ligo #gravitationalwaves #physics #universe
🤯 Andromeda is a 2.5-Million-Year-Old Hologram

When you look up at the Andromeda galaxy in the night sky, you are seeing photons that left that galaxy 2.5 million years ago—before Homo sapiens even existed. 🌌🔭

#mindblowing #lightspeed #andromeda #universe #timetravel
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