RT @NOAAResearch: After today’s sunset at @NOAA’s Barrow Observatory, it won’t rise again until January 22. See what we do there at https:/…
Source by U.S. Commerce Dept.
RT @NOAAResearch: After today’s sunset at @NOAA’s Barrow Observatory, it won’t rise again until January 22. See what we do there at https:/…
Source by U.S. Commerce Dept.