On this day in space! Nov. 13, 1971: NASA's Mariner 9 becomes 1st spacecraft to orbit Mars, revealing close looks at the Martian surface
Space.com • 11/13/2026 – 11/14/2026
Summary
On November 13, 1971, NASA's Mariner 9 became the first spacecraft to orbit Mars. This achievement allowed for close looks at the Martian surface.
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Lindy Score Breakdown (V4.2)
20h
Age
1
Sources
from cluster
11
Hours Since Seen
Final Score11/100
CategoryAntiLindy
StatusActive
Recency Multiplier85% (0.5^11/48)
Hero EligibleYes
Score BreakdownRisk 70
Source Reputation: Low-trust source (4/20 pts)
Consensus: Single source - no independent confirmation yet
Age: Breaking news - too recent to assess longevity
Stories gain Lindy status through source reputation, network consensus, and time survival.
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