NASA @NASA
July 23 marks 50 years since Landsat’s inaugural launch. Conducted jointly with @USGS, it gives a satellite’s-eye view of Earth’s changes. From tracking wildfires to monitoring urban growth, Landsat helps us safeguard our planet. Celebrate #Landsaturday: https://t.co/c1Y1JyamG0 https://t.co/i0wfbYP3EG — PolitiTweet.org