Key Takeaways
- Yuri Gagarin orbited Earth April 12, 1961, in Vostok 1, single orbit lasting 108 minutes.
- Valentina Tereshkova, first woman in space, Vostok 6 June 16-19, 1963, 70 hours 50 minutes, 48 orbits.
- Apollo 11 Neil Armstrong and Buzz Aldrin walked Moon 2 hours 31 minutes, collected 21.5 kg samples.
- Mariner 9 orbited Mars November 1971, mapped 70% surface, first photos of Olympus Mons.
- Viking 1 landed Chryse Planitia July 20, 1976, operated 4.5 years, first Mars image from surface.
- Pathfinder/Sojourner rover landed Ares Vallis July 4, 1997, traveled 500 m in 83 days.
- The Saturn V rocket, standing at 363 feet (110.6 m) tall with a diameter of 33 feet (10.1 m), generated 7.6 million pounds of thrust at liftoff and successfully launched 13 times without failure.
- SpaceX Falcon 9 has achieved 366 successful launches as of October 2024, with a reusability rate where first-stage boosters have been recovered 335 times via landing.
- The Delta IV Heavy rocket produces 2.1 million pounds (9.3 MN) of thrust and has a payload capacity of 28,790 kg to low Earth orbit, with 16 launches conducted between 2002 and 2024.
- NASA's total budget for FY2024 is $24.875 billion, with 50% allocated to human spaceflight.
- ESA budget 2023-2025 is €7.5 billion annually, 25% for space exploration programs.
- SpaceX valuation $210 billion as of June 2024, $4.7 billion revenue 2023 from 96 launches.
- Apollo 11 mission launched July 16, 1969, via Saturn V, first humans on Moon July 20, duration 8 days 3 hours.
- Voyager 1 launched September 5, 1977, now 24 billion km away, entered interstellar space August 25, 2012.
- Hubble Space Telescope deployed April 25, 1990, by STS-31, has captured over 1.5 million observations.
From first orbits to modern telescopes, decades of missions have mapped worlds and confirmed thousands of exoplanets.
Related reading
01 · Category
Human Spaceflight30 stats
Human Spaceflight Interpretation
02 · Category
Planetary Exploration30 stats
Planetary Exploration Interpretation
03 · Category
Rockets And Launch Vehicles30 stats
Rockets And Launch Vehicles Interpretation
More related reading
04 · Category
Space Agencies And Budgets19 stats
Space Agencies And Budgets Interpretation
05 · Category
Space Missions27 stats
Space Missions Interpretation
06 · Category
Space Telescopes And Observations26 stats
Space Telescopes And Observations Interpretation
Space exploration milestones over time
From early human orbital flights to modern ISS records and deep-space achievements, exploration has expanded across decades.
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
David Kowalski. (2026, February 13). Space Exploration Statistics. Gitnux. https://gitnux.org/space-exploration-statistics
David Kowalski. "Space Exploration Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/space-exploration-statistics.
David Kowalski. 2026. "Space Exploration Statistics." Gitnux. https://gitnux.org/space-exploration-statistics.
Sources & references
63 datasets cited across this report · attribution is report-level

