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Do we class parabolic optical surfaces accurate to 1/8th wavelength of light covered with aluminium surfaces an atom or two thick laid down in a vacuum the equivalent of outer space as gadgets or not?
There are few gimicks in astronomy, only technological advances. If one doesn't want to use them then that's ones personal preference. Me - I get pleasure from studying the objects i'm looking for and not the gaps in between. I haven't enough time to spend looking at nothing!!!!
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