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  1. The 10 biggest space science stories of 2021

  2. The 10 biggest exoplanet discoveries of 2021 | Space

  3. Space: 2021 - Discover Magazine

  4. 2021 in spaceflight - Wikipedia

  5. Top 10 space stories of 2021 - Astronomy Magazine

  6. The Ten Most Significant Science Stories of 2021 | Smithsonian

  7. Top 10 spaceflight stories of 2021 | Space

  8. Top 20 Kennedy Space Center Highlights from 2021 - NASA

  9. James Webb Space Telescope - NASA Science

  10. NASA in 2021 - Science@NASA