rThe China National Space Administration (CNSA) has released pictures from its Tianwen-1 mission, including the spacecraft in orbit around Mars. The Tianwen-1 mission was launched in July 2020 and consists of an orbiter, seen above Mars in the image below, as well as a lander and a rover.According to a post on Chinese-language WeChat, this image shows the Tianwen-1 orbiter over the north pole of Mars. You can see the white of Marsu2019s polar ice caps on the planet below, but unlike the polar ice caps on Earth which are composed of water ice, the Martian ice caps are composed...