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.
The spacecraft has traveled 3 billion miles on its way to Pluto, which shows how far space exploration has come: The first missions to photograph planets from space traveled just 65 and 6,118 miles to capture Earth and Mars. Here are the first photos taken of every planet in our solar system. Pluto NASA.