Template:Are You Sure/February 12

• ... that although the spacecraft Venera 1 ultimately failed to fulfill its primary mission, the spacecraft returned data which verified the hypothesis that solar wind is present throughout deep space?

• ... that mathematician and physicist Nikolay Bogolyubov worked on the physics of superfluidity and superconductivity during late 1940s and 1950s, and that the BBGKY hierarchy of equations for s-particle distribution functions was written out and applied to the derivation of kinetic equations by Bogolyubov (published 1946), and that John Gamble Kirkwood, Max Born, and Herbert S. Green?

• ... that the mathematical constant π is a transcendental number — that is, it is not the root of any polynomial having rational coefficients — and that this transcendence of π implies that it is impossible to solve the ancient challenge of squaring the circle with a compass and straightedge?