ScienceCast : 在世界中心的世界
天文学家用NASA的哈勃太空望远镜发现了一个巨大的氢云,从一个叫格利泽436b的星球上蒸发出来的。由于母星的极端辐射,这颗行星的大气层正在蒸发中。 欲了解更多信息,请访问http://science.nasa.gov/。 点击这里查看更多视频:https://alugha.com/NASA
LicenseCreative Commons Attribution
More videos by this producer
ScienceCasts: Methane Stinks? On Earth, Mars, and Beyond
NASA is sniffing out the sweet smell of methane on Earth, Mars and beyond. It's a greenhouse gas and, in some places, possibly a sign of ancient life. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA