Anthropocene
n.— «As we rapidly enter a new Earth system domain, the “Anthropocene” era, the debate about distinguishing human effects from natural variability will inevitably abate in the face of increased understanding of climate and biogeochemical cycles.» —“The Global Carbon Cycle: A Test of Our Knowledge of Earth as a System” by P. Falkowski et al. Science Oct. 13, 2000. (source: Double-Tongued Dictionary)
Further reading
Need a book to lift you out of this world? Try Orbital (Bookshop|Amazon). In it, Booker-winning novelist Samantha Harvey imagines the moment-to-moment experience of living on a space station, a mixture of the mundane and the majestic, 250 miles...
To grok something means “to understand it completely.” The word grok comes from a language spoken on the planet Mars—well, at least according to the science fiction writer who coined the term! Also, we know the meaning of the word...