Winter’s chill made an early visit to the Tennessee Valley this week,and will continue on for a few more days. You might not be alert for the cold, but there are some upsides to it too! Cold air can be clearer than warmer air, and which makes our skies deeper blue during the day and the stars brighter at night. Cold air can’t evaporate as much moisture as warm air,which cuts back on the number of micro water droplets […]
Source: whnt.com