A planetary probe is a probe that has been launched to explore or at least take fly-by measurements of other planets and moons. These ten listed here were the first to explore or at least take measurements or photos during a flyby of another planet. I have included the planets they explored as well as who made them…

The First Ten Planetary Probes to Be Launched

10 – Venera 10 Made by USSR – Planet Visited: Venus – Arrival Date: 25th of October 1975

9 – Venera 9 Made by USSR – Planet Visited: Venus – Arrival Date: 22nd of October 1975

8 – Mars 3 Made by USSR – Planet Visited: Venus – Arrival Date: 22nd of July 1972

7 – Mars 2 Made by USSR – Planet Visited: Mars – Arrival Date: 2nd of December 1971

[adinserter block=”7″]

6 – Venera 4 Made by USSR – Planet Visited: Mars – Arrival Date: 27th of November 1971

5 – Mariner 9 Made by USSR – Planet Visited: Mars – Arrival Date: 13th November 1971

4 – Venera 7 Made by USSR – Planet Visited: Venus – Arrival Date: 15th of December 1970

3 – Venera 6 Made by USSR – Planet Visited: Venus – Arrival Date: 17th of May 1969

[adinserter block=”8″]

2 – Venera 5 Made by USSR – Planet Visited: Venus – Arrival Date: 16th of May 1969

1 – Venera 4 Made by USSR – Planet Visited: Venus – Arrival Date: 18th of October 1967