Search Details

Word: lightyears (lookup in dictionary) (lookup stats)
Dates: during 1970-1979
Sort By: most recent first (reverse)


Usage:

...lightyear, the distance that light travels in a year, is about six trillion miles...

Author: /time Magazine | Title: Science: From Plastics to Pulsars | 10/28/1974 | See Source »

| 1 | 2 | 3 | 4 | 5 | Next