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Mariner 10
The first mission to visit two planets (Venus and Mercury).
Mission Overview
Using a "gravity assist" from Venus to reach Mercury, it took the first close-up photos of the Sun's closest planet.
Learning from History
"It discovered that Mercury has a magnetic field and a surprisingly large iron core."
Mission Specs
| Year | 1974 |
|---|---|
| Country | USA |
| Type | Probe |
| Destination | Mercury |
| Status | Decommissioned |
| Rocket | Atlas-Centaur |