
Thermally sensitive space stamps! YESSSSS!
#usps #moon #eclipse
Originally shared by NASA
Have you seen the new USPS stamps? This first-of-its-kind stamp changes when you touch it, highlighting the upcoming August 21 total solar eclipse across the United States! Check out the stamp: http://about.usps.com/news/national-releases/2017/pr17_020.htm
Find out how to watch this year’s eclipse: https://www.nasa.gov/eclipse