在 “MethaneSat” 问世之前，环境保护基金（EDF）必须通过地面和飞机进行甲烷读数以测量气体泄漏。这项艰巨的工作带来了惊人发现：2012年至2018年间，美国的甲烷排放量实际上比环境保护局的估算高出60%（https://www.edf.org/climate/methane-studies）。

For the first time, scientists obtained the ancient magnetic field information from the far side of the moon, revealing a possible rebound in the moon's magnetic field intensity around 2.8 billion ...

Astronauts Cai Xuzhe, Song Lingdong and Wang Haoze are in good physical and mental health and their medical examination results are all normal. Their muscle strength, endurance and exercise ...