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Now that we're on the home stretch for the launch, here's a little puzzle for all the math wizards out there. Given that this transfer was over 1.2km, what percentage of the telescope's voyage to destination remains to be traveled?
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NASA edited this shot to showcase Webb's ability to observe the universe in infrared (and mid-infrared), so we thought we'd join in on the fun. (check it out below)
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assuming it's just the distance from earth to the Sun-Earth L2 point (1.5 million km), it'd be 99.99992%
Almost exactly 100%
99.8 Percent
As the crow flies or actual orbital mechanics? What reference frame? What epoch?
Anything that floats your boat, we're just curious to hear about the various reasoning. 
8 x 10^ -5 ٪
8 x 10^{-5} %
… or 80 μ%
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