The final flyby of Mercury by Mariner 10 occurred on March 16,1975, ending close-range observations of the planet for over 30 years.
No subsequent close-range observations of the planet would take place for more than 30 years. The final flyby of Mercury by Mariner 10 occurred on March 16,1975.
The final flyby of Mercury by Mariner 10 occurred on March 16,1975. No subsequent close-range observations of the planet would take place for more than 30 years.
The final flyby of Mercury by Mariner 10 occurred on March 16,1975. No subsequent close-range observations of the planet would take place for more than 30 years.