Unit 6　Section A　Starting out & Understanding ideas 同步课件 【新教材】外研版（2019）选择性必修第四册

Unit 6 Space and beyond 素养导航 主题语境——人与自然　太空探索 China Launches 3 Satellites on 2 Rockets in 3 Days China launched① three satellites into space during two missions from different space centres over three days,according to reports from the country’s space programme and state media. The first launch soared into space from the Taiyuan Satellite Launch Centre in northern China’s Shanxi Province.Two satellites from the China Academy of Space Technology flew into orbit on a Long March 4B rocket at 11:10 am local time Friday,July 3. One satellite,identified② as Gaofen by SpaceNews,was billed in Chinese media as a remote sensing satellite for civilian use.The satellite’s resolution is less than a metre and it will operate in an orbit to place the sun at a consistent angle on the surface,called a sun-synchronous orbit.This orbit makes it easier to compare pictures between satellite passes. “The satellite can provide high-precision remote-sensing image data for several industries including survey