Explore a chilling WHAT IF: Earth the size (and mass) of the Sun — how gravity, oceans, ecosystems, and the entire Solar System would unravel. This 5-minute sci‑edu video follows the script word‑for‑word with a male narrator, breaking down mass, gravity (28× stronger), orbital chaos, water loss, crop collapse, and why life would be impossible. Perfect for space and science fans curious about planetary scale, astrophysics, and hypothetical scenarios. If you enjoyed this deep‑dive, please like and share the video to help others find it. #WhatIf #EarthVsSun #SpaceScience Keywords: Earth Sun size, gravity effects, Solar System, hypothetical planet, science explainer.