冥王星（Pluto）大气层最新动态：正在变薄

科学家观测到冥王星在远离太阳的轨道运行过程中，其大气层正在逐渐变薄。这一发现是通过观测冥王星掩食遥远恒星的过程得出的。

Scientists detected Pluto's atmosphere is thinning as it moves farther away from the sun in its orbit. They did so when Pluto passed in front of distant stars. The post Pluto’s atmosphere update! It’s thinning first appeared on EarthSky .