Webb
Seeing farther into the Universe than ever before
The mission
The James Webb Space Telescope (Webb) will follow Hubble as the next great space science observatory designed to answer outstanding questions about the Universe and to make breakthrough discoveries in all fields of astronomy. It will look farther and deeper into the Universe than ever before, to the first stars and galaxies; it will study exoplanets, and closer to home will also look at our own Solar System in new light. Webb is an international partnership between NASA, ESA and CSA. The mission will launch on an Ariane 5 from Europe's Spaceport in French Guiana.
The launch
- Launch date: October 2021
- Launch location: Europe's Spaceport in French Guiana
- Launch vehicle: Ariane 5
- Orbit: Lagrange point 2, 1.5 million km from Earth
- 6.5 m mirror
- 18 mirror segments
- 4 instruments
- 5 sunshield layers
Latest
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ImageAgency
Artist's view of the James Webb Space Telescope on an Ariane 5 launcher
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ImageScience & Exploration
Testing the NIRSpec instrument on the Webb
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VideoEnabling & Support
Europe's Spaceport in French Guiana
Webb overview
More about Webb
Multimedia
Webb images Webb videosWebb at partner agencies
JWST at NASA JWST at CSAFollow us
@ESA_Webb