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...ena that we observe. Gravitation is also the reason for the very existence of the [[Earth]], the [[Sun]], and most macroscopic objects in the [[universe] <center>For lessons on the [[topic]] of '''''Gravity''''', follow [https://nordan.daynal.org/wiki/index.php?title=C

...mself in the educational, [[culture|cultural]], and philosophical concerns of his generation. Less known is Einstein's interest and personal engagement i ...entary school. At home a distant relative introduced him to the principles of Judaism and evoked in him such a fervent religious sentiment, that he obser

...ure (mathematics)|measurable]] [[evidence]] subject to specific principles of [[reasoning]], ...h [[observation]] and [[experiment]]ation, and the formulation and testing of [[hypothesis|hypotheses]].