8.3K views · 354 reactions | The Sun: The Giant That Holds the Solar System Together Discover how the Sun, with 99.86% of the Solar System’s mass, dominates our cosmic neighborhood. From its incredible weight to the nuclear fusion powering our daylight, learn why this massive star is the key to life and motion in space. #SunFacts #SolarSystem #Astronomy #SpaceScience #CosmicPower #Astrophysics #EducationalContent #SpaceExploration #Sun #ScienceExplained | Cosmos Stargazers | Facebook