*"the first non-orbital space telescope"* There've been a few others, including ... | Hacker News

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perihelions on July 7, 2021 | parent | context | favorite | on: The James Webb Space Telescope has passed the fina...

"the first non-orbital space telescope"

There've been a few others, including Gaia (SEL-2 halo orbit -- same as JWST), and Kepler (heliocentric). [edit]: also Herschel (SEL-2)

https://en.wikipedia.org/wiki/Gaia_(spacecraft)#Launch_and_o...

https://en.wikipedia.org/wiki/Kepler_space_telescope#Orbit_a...

https://en.wikipedia.org/wiki/Herschel_Space_Observatory#Lau...

DubiousPusher on July 7, 2021 [–]

Interesting. I assumed these were in orbit like other satellites. I didn't realize they operated from the Lagrange points. Thanks.

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