🍎🌍=🚀🌌

#general relativity #equivalence principle #einstein field equations #frame of reference #freefall

🌌⚫️➡️

#general relativity #spacetime curvature #black holes #einstein field equations #tensor fields #physics application

🌌⚫Σ∂

#theoretical astrophysics #general relativity #black holes #einstein field equations #teukolsky formalism