Top 10Updated 2026年3月16日
Top 10 Space Science Projects by International Collaboration Scale
This list ranks space science projects by the number of participating nations involved in a single mission or experiment. It highlights the scale of global collaboration in deep space exploration and space sciences, based on the number of countries officially contributing to each specific project.
Current #1
International Space Station (Multi-disciplinary experiments)
Interesting Facts & Summary
A Global Odyssey in Space
- Data Characteristics: The list illustrates that the high cost and technical barriers of space exploration necessitate cross-border cooperation.
- Key Findings: Projects centered around the International Space Station (ISS) dominate the top spots. While private spaceflight is growing, large-scale international scientific missions remain the standard for complex, state-level collaboration.
- Interesting Fact: Many missions officially labeled under one space agency often involve scientific payloads or data exchange agreements from over a dozen different countries.
| Rank | Project Name | Number of Participating Nations | Core Phase |
|---|---|---|---|
International Space Station (Multi-disciplinary experiments) | 18 | Full operational cycle | |
Artemis Lunar Science Program | 15 | Lunar exploration phase | |
James Webb Space Telescope (Observation missions) | 14 | Deep space observation | |
| 4 | Hubble Space Telescope (International collaborative experiments) | 12 | Long-term observation |
| 5 | Cassini-Huygens Mission | 10 | Planetary system exploration |
| 6 | International Lunar Research Station (ILRS) | 9 | Initial construction phase |
| 7 | Rosetta Mission | 8 | Comet landing experiment |
| 8 | Mars Science Laboratory (Curiosity) | 7 | Geological exploration |
| 9 | Planck Space Observatory | 6 | Cosmic microwave background observation |
| 10 | Ulysses Solar Mission | 5 | Solar polar observation |
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CategoryScience & Exploration
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