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Mariner 9 became the first spacecraft to orbit Mars on Nov. 13, 1971, returning close views of the planet’s surface

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NASA’s Mariner 9 entered orbit around Mars on Nov. 13, 1971, becoming the first spacecraft to orbit another planet. Its close-up views of the Martian surface marked a milestone in planetary exploration and offered a new perspective on Mars.

Discovered 2026-11-13T14:19:26.292820-08:00 | 2026-11-13T14:19:26.292820-08:00

Briefing

What Hype is tracking

  • Mariner 9’s arrival established the first spacecraft presence in orbit around Mars, a landmark in planetary exploration.
  • Its close looks at the Martian surface expanded what spacecraft could reveal about the planet.

Reported By

Space.com
Sources Tracked
1
First Seen
2026-11-13T14:19:26.292820-08:00
Latest Update
2026-11-13T14:19:26.292820-08:00
Coverage
Space

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