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The James Webb Space Telescope launched in 2021.
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SUPPORTED
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10 sources for · 0 against
Is it true that the James Webb Space Telescope launched in 2021?
Yes. Multiple reference and official sources state the James Webb Space Telescope launched on 25 December 2021, matching the claim. A few pre-launch papers only describe 2021 as a scheduled or planned launch date.
Verdict: SUPPORTED · 10 sources for, 0 against · Last checked
Evidence for · 10
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James Webb Space Telescope. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/James_Webb_Space_Telescope
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More for · 9
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James Webb Space Telescope sunshield. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/James_Webb_Space_Telescope_sunshield
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ESA - James Webb Space Telescope to launch in October 2021. (n.d.). esa.int. https://www.esa.int/Science_Exploration/Space_Science/James_Webb_Space_Telescope_to_launch_in_October_2021
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James Webb Space Telescope - NASA Science. (n.d.). science.nasa.gov. https://science.nasa.gov/mission/webb/
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Christine, P., Jaclyn, B., & Claire, B. (2025). Unfolding the Universe: First Images and Spectra from the James Webb Space Telescope. zenodo.org. https://doi.org/10.5281/zenodo.19603058
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Jea, A. & Jason, W. (2020). Quantifying the Effect of Coronagraphs on Planet Photometry with the James Webb Space Telescope. authors.library.caltech.edu. https://doi.org/10.3847/2515-5172/abd1d4
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Böker, T., Abul-Huda, Y., Altenburg, M., Oliveira, C. A. d., Bechtold, K., Beck, T., Birkmann, S. M., Bonaventura, N., Ehrenwinkler, R., Ferruit, P., Franz, D. E., Giardino, G., Jakobsen, P., Jensen, P., Jollet, D., Karakla, D., Karl, H., Keyes, C., Kumari, N., & Lander, M. (2022). In-orbit Commissioning of the Near-Infrared Spectrograph on the James Webb Space Telescope. arxiv.org. https://doi.org/10.48550/arXiv.2208.02860
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Direct imaging of sub-Jupiter mass exoplanets with James Webb Space Telescope coronagraphy. (2021). hal.science. https://doi.org/10.1093/mnras/staa3579
Unknown Universe: Discover hidden wonders from deep space unveiled by the James Webb Space Telescope
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Kerss, T. & Astronomy, C. (2024). Unknown Universe: Discover hidden wonders from deep space unveiled by the James Webb Space Telescope. play.google.com. https://play.google.com/store/books/details?id=JbP2EAAAQBAJ&source=gbs_api
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(NTRS), N. T. R. S. (2023). NASA Technical Reports Server (NTRS) 20230002596: The James Webb Space Telescope: Its Commissioning and Technology. archive.org. https://archive.org/details/NASA_NTRS_Archive_20230002596
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