Wenchang Launch Site, China. A Long March 5 rocket launches the Tianwen-1 rover (天问) toward Mars. This time, in the 2020 race to Mars, the other contenders are the United Arab Emirates and the United States in this time window that opens every two years. It will enter Martian orbit on February 10, 2021, and on May 14, the corresponding rover will successfully land on Utopia Planitia. No easy feat on a planet like Mars, which has seen a long list of failed missions in the past.
