Interesting physics. Space and time. General relativity describes gravity as a consequence of the curvature of space-time under the action of mass. Einstein's equation-the equation of the gravitational field in the General theory of relativity, linking the metric of curved space-time with the properties of the filling matter. Einstein's equation relates the geometry of space-time (left side of the equation) to matter and its motion (right side). What do You think is the lambda term in Einstein's equation ?
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