James Webb Space Telescope
#16 in Science & Bio AINasa · 2× · last seen Aug 06, 2026
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The James Webb Space Telescope (JWST) is a space telescope for infrared astronomy developed by NASA in collaboration with ESA and CSA. It launched on December 25, 2021, and orbits the Sun near the Lagrange point L2, approximately 1.5 million kilometers from Earth. The telescope features a 6.5-meter segmented primary mirror and is used to study early galaxies, star formation, and exoplanets. It is operated by the Space Telescope Science Institute (STScI) and is open to the global scientific community for observation requests.
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Features
| Deployment Model | Single space observatory, remotely operated, no on-site servicing possible (unlike Hubble) |
| Use Case Scope | Infrared astronomy: observing early galaxies, star and planet formation, exoplanets, and solar system objects |
| Integrations | Four primary science instruments: NIRCam, NIRSpec, MIRI, FGS/NIRISS; operated in partnership with ESA and CSA |
| Platform | Space observatory in a halo orbit around the Sun-Earth L2 Lagrange point, approx. 1.5 million km from Earth |
| Price | Approx. $10 billion total cost (as of launch) |
| Release Date | Launch: December 25, 2021, 12:20 UTC; science operations began July 2022 |