6 STAMPS :
MARINER 10: 3 Nov. 1973. Launch of Mariner 10, 1st flyby over Mercury 3rd Nov. 1973 and 2nd flyby 29th March 1974.
GIOTTO: 2 Juillet 1985
1st science probe of the ESA 1st chase and pass though the tail of a comet (Halley) the 9 February 1986.
SOHO: 2 Déc. 1995. -
1st Esa-Nasa Satellite to study the Sun on a synchronous orbit.
EXOSAT: 26 Mai 1983. -
1st European Space X-ray Telescope launched from Vandenberg, California.
MARINER 2: 27 Aout 1962. -
1st successful probe to Venus, passes close 34.000 Km of Venus surface and transmit 42 minutes of observations to Earth.
PIONEER VENUS : (Launch) Mother-orbital-probe carrying daughter-probes to penetrate deep atmosphere of VENUS. 4 december : the mother-probe reach Venus orbit, 9 December the daughter-probes explore Venus atmosphere.
st space laboratory, the forerunner of Mir and international space station. Skylab 1 : launch 14 May 1973 the 8th Feb. 1974, astronauts Pogue, Gibson and Carr photograph comet KOHOUTEK using the space telescope on board.