Updated September 18, 2016. Definition. An aphorism is a tersely phrased statement of a truth or opinion, or a brief statement of a principle. Adjective: aphoristic. Also known as (or similar to) a saying, maxim, adage, saw, dictum, and precept.
The first successful flyby of Venus was performed by NASAâs Mariner 2 spacecraft on 14 December 1962, following failed attempts by both the Soviet Union and the USA. The first successful landing was the Soviet Venera 4 lander, which touched down on the surface on 18 October 1967.
5. Atmospheric Probes: These space probes remain in, or transit through the atmosphere of the planet or moon and study weather patterns and atmospheric peculiarities until its end. The Huygens probe to Titan acted as an atmospheric probe and then a lander once it was on the surface of Saturn's moon.