For an M - star whose activity is amped up like that of a Tasmanian devil, the habitable period could be cut by a factor of about 1,000 — reducing it to a mere blink of an eye in geological terms. (sciencedaily.com)
Our expectations of our bodies, their functional capacity and their term of service, are profoundly different from those of people living in the mid-19th century and, in the great scheme of things, that is a mere blink of an eye. (newscientist.com)