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Re:Telescope That ‘Ate Astronomy’ Is on Track to Surpass Hubble by digler999 on Tuesday November 22, 2016 @12:38AM (#13011884)
probably so astronomers can easily focus on their work - pointing the 'scope at stuff - and not worry about writing elegant/concise/reusable/succinct/$(feelgood adjective) code. I could understand it being used that way if it were for a limited scope (no pun intended) of operations, such as direction, focus, camera/sensor settings, etc. I'm sure they're not using JS to control thrusters or calculate trajectories.
Re:Telescope That ‘Ate Astronomy’ Is on Track to Surpass Hubble by semaphoreP on Tuesday November 22, 2016 @01:27AM (#13012052)
Actually, us astronomers will never have to script anything with JS. They'll give us a GUI which will limit what we can do to strictly valid commands: e.g. point the telescope at this position in the sky and observe using this instrument for this much time.
Re:Telescope That ‘Ate Astronomy’ Is on Track to Surpass Hubble by lelandbatey on Tuesday November 22, 2016 @01:04AM (#13011973)
There are plenty of languages that provide that same benefit of straightforwardness while also lacking warts and being even easier to embed; for example Lua, which was designed with express purpose of simplicity and ease of embedding.

The real answer is probably that in 2003 JS looked more interesting/good enough that it was chosen in this case.