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
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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
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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
