Hubble has been flying for 30+ years. JWST took 10 years to fund and build.

But given its 10 year (if we're lucky) life expectancy, I assume its successor is already on a drawing board somewhere.

  • 1
    $\begingroup$ Luvoir is a still a concept i think there arent any real plan $\endgroup$ Commented Dec 27, 2021 at 13:18
  • 6
    $\begingroup$ errata: jwst took 26 years to fund and build. $\endgroup$ Commented Dec 27, 2021 at 18:58
  • $\begingroup$ Arianespace recently shared that the launch was nominal and so JWST should be able to get the 10-12 years of service time instead of the minimum 6 if something went not completely nominally in the launch. $\endgroup$
    – Bakuriu
    Commented Dec 28, 2021 at 7:49

1 Answer 1


See the Launch Pad Astronomy video 4 Future Space Telescopes NASA wants to build linked below.

The notes say that the four

...future space telescopes NASA wants to build are the:

  1. Habitable Exoplanet Explorer (HabEx)
  2. the Lynx X-Ray telescope
  3. Origins Space Telescope
  4. the Large Ultraviolet Optical Infrared Explorer (LUVOIR)

If approved, these 4 future space telescopes will succeed the James Webb Space Telescope and the Nancy Grace Roman space telescopes.



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