SpaceX载人飞船的成功发射，一级火箭安全回收。其中一位日本宇航员，还有一位女性宇航员。
A SpaceX Crew Dragon spacecraft — carrying four astronauts from three countries — took off from NASA's Kennedy Space Center in Florida Friday morning, beginning their six-month stay in space.
This launch marked the third-ever crewed flight for Elon Musk's company and the first to make use of a previously flown rocket booster and spacecraft.
稍等几秒：
Dragon has separated from Falcon 9’s second stage and is on its way to the @space_station! Autonomous docking tomorrow at ~5:10 a.m. EDT pic.twitter.com/rg1QjZEl9u
— SpaceX (@SpaceX) April 23, 2021
完整过程：Crew-2 Mission | Launch
英文：https://www.cnn.com/2021/04/23/tech/spacex-nasa-astronaut-crew-2-launch-day-scn/index.html
中文：https://www.wenxuecity.com/news/2021/04/23/10504637.html
