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The James Webb Space Telescope is a space telescope developed by NASA, ESA and CSA to succeed the Hubble Space Telescope as NASA's flagship astrophysics mission. Its primary mirror, the Optical Telescope Element, is composed of 18 hexagonal mirror segments which combine to create a 6.5 m diameter mirror, considerably larger than Hubble's 2.4 m mirror. This will allow JWST to provide improved infrared resolution and sensitivity over Hubble, and will enable a broad range of investigations across the fields of astronomy and cosmology, including observing some of the most distant events and objects in the universe, such as the formation of the first galaxies.
Height 57.70 Meters
Max Stages 2
Mass To GTO 10200 kg
Liftoff Thrust 11400 kN
Diameter 5.40 Meters
Mass To LEO 0 kg
Liftoff Mass 780 Tonnes
Launch Success 11
Consecutive Success 11
Maiden Flight 2019-08-07
Launch Failures 0
SwGustav
2021-12-25T12:58:31+0000
Successful launch confirmed
SwGustav
2021-12-21T21:37:17+0000
Delaying by 24 hours due to adverse weather forecast
Jay
2021-12-17T22:18:45+0000
Go for launch.
Cosmic_Penguin
2021-12-15T00:25:39+0000
New NET date.
Cosmic_Penguin
2021-11-25T00:56:35+0000
New launch date confirmed after additional spacecraft testing.
Nosu
2021-11-22T21:37:57+0000
Delayed by four days due to a processing incident.
Nosu
2021-10-13T20:09:44+0000
Adding launch window
spacevogel
2021-09-08T13:22:56+0000
Targeted launch date announced
Nosu
2021-06-02T12:20:55+0000
JWST launch now TBD November.
NASA's large strategic science missions or large strategic missions, formerly known as Flagship missions or Flagship-class missions, are the costliest and most capable NASA science spacecraft. Flagship missions exist within all four divisions of NASA's Science Mission Directorate (SMD): the astrophysics, Earth science, heliophysics and planetary science divisions.
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