examples of space probes 
Since the end of the 1950s, over 125 space probes have been launched to study the planets and satellites of the solar system.
In 1975, Venera-9 transmitted the first photograph of the Venusian soil before it was crushed by the planet’s atmospheric pressure.
Launched in 1990, Ulysses is the only probe to have observed the two poles of the Sun; it is studying various types of solar rays.
Placed in orbit around Venus in 1990, Magellan is mapping 98% of its surface.