The doctrine that at least certain ideas (e.g., those of God, infinity, substance) must be innate, because no satisfactory empirical origin of them could be conceived, flourished in the 17th century and found in RenÃ© Descartes its most prominent exponent.
Local Curvature of Space. According to Einsteinâs theory of general relativity, massive objects warp the spacetime around them, and the effect a warp has on objects is what we call gravity. So, locally, spacetime is curved around every object with mass. Overall Curvature of Space
A belief that links the positions of the stars and planets to human destinies. It has no scientific background. Astronomical Unit: The distance from the Earth to the Sun. Usually written AU. Astrophysics: The use of physics and chemistry in the study of Astronomy. Atmosphere: The gaseous area surrounding a planet or other body. Atom