translation.en: It's a satellite that goes into space, which is probably the least open-source thing you can imagine, and it contains an Arduino connected to a bunch of sensors. So if you know how to use Arduino, you can actually upload your experiments into this satellite and run them.
translation.zh: 这是一个人造卫星 你可能觉得这是最不可能开源的东西 这个人造卫星里嵌有Arduino 连接有几个传感器 实际上你可以将你的实验 上传到卫星上进行