π¨βπ¬=πγ°οΈπ
πβ³πΈοΈ=β¨π§±
β«πdβ΄x
πγ°οΈ+π§¬=π§±β¨
GοΏ½οΏ½=ΞΊTοΏ½οΏ½
βπγ°οΈ=ππ«
ββ‘οΈπ§²ββ³
#einstein #general relativity #spacetime curvature #Mass-Energy #field equations