# Canonical recap data for Mariner 10 Venus Flyby (1974)
# Source: https://recap.at/1974/mariner-10-venus
# Format: YAML 1.2 (UTF-8). Generated at request time.
slug: mariner-10-venus
canonicalUrl: "https://recap.at/1974/mariner-10-venus"
title: Mariner 10 Venus Flyby
subtitle: First spacecraft to reach Mercury and Venus, transmitting unprecedented close-range planetary imagery and establishing multi-planetary mission viability.
recapType: global_event
eventStatus: concluded
startDate: 1974-01-01
datePrecision: year
year: 1974
decade: 1970
country:
name: United States
slug: united-states
summaryShort: Mariner 5 was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus's atmosphere by radio occultation, measure the hydrogen Lyman-alpha spectrum, and sample the solar particles and magnetic field fluctuations above the planet. Its goals were to measure interplanetary and Venusian m
summaryLong: Mariner 5 was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus's atmosphere by radio occultation, measure the hydrogen Lyman-alpha spectrum, and sample the solar particles and magnetic field fluctuations above the planet. Its goals were to measure interplanetary and Venusian magnetic fields, charged particles, plasma, radio refractivity and UV emissions of the Venusian atmosphere.
heroImageUrl: "https://upload.wikimedia.org/wikipedia/commons/thumb/0/02/Mariner_5.jpg/1280px-Mariner_5.jpg"
heroImageCredit: Wikipedia · "Mariner 5"
importance: 72
sourceConfidence: 75
keyFacts: []
timeline: []
sources:
- url: "https://en.wikipedia.org/wiki/Mariner_5"
  title: Mariner Venus 1967
  provider: Wikipedia
related: []
categories:
- tech-launch
- launch
metaDescription: Mariner 5 was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus's atmosphere by radio occultation, measure the hydroge
wikidataQid: Q213506
archiveSnapshots:
- url: "https://web.archive.org/web/20260513045311/https://en.wikipedia.org/wiki/Mariner_5"
  capturedAt: 2026-05-13
  label: Mariner Venus 1967
  originalUrl: "https://en.wikipedia.org/wiki/Mariner_5"
