Recently (the exact shooting time is unknown), the Earth Observatory is NASA's online platform, created in 1999, and has now published more than 16,000 pictures. NASA provides satellite images of climate and environmental changes through the "Earth Observatory" and some scientific information. To celebrate the 20th anniversary of the Earth Observatory and the 50th anniversary of Earth Day, a competition called Tournament Earth 2020 was held. NASA launched 32 candidate images, hoping that the public would select the best Earth satellite images ever. Image source: ICphoto

Release time: 2020-04-09 07:36:54 [Editor: Zhai Lu]