Mission
James Webb Space Telescope
The most powerful infrared observatory in space
Description
A collaboration between NASA, ESA and CSA, JWST launched on 25 December 2021 on a European Ariane 5 rocket. From the L2 Lagrange point, 1.5 million km from Earth, it observes the first galaxies and the atmospheres of exoplanets.
Did you know?
Its 6.5 m primary mirror is made of 18 gold-coated hexagonal segments.