Going lightly
Natural History, Nov, 2001 by Joel Marks
This hardly seems the time to be lighthearted, but I would like to comment on Neil deGrasse Tyson's amusing (and interesting) "Universe" article entitled "By Any Other Name" (7/01-8/01). I am a lifelong amateur astronomer and sometime philosopher of science, but I had never consciously taken notice of the curious fact highlighted by Tyson: that astronomical nomenclature is user friendly.
May I suggest an even simpler and better term for what he says astronomers call dark energy (the force now held accountable for the acceleration of the expansion of the universe)? I propose "levity." I think this would serve as an apt counterweight to its opposite, that heavy term "gravity."
Joel Marks West Haven, Connecticut
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