Tagtik on MSN35 分钟
NASA discovers planet eight times bigger than Earth
NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth. The ...
Irish Star on MSN8 小时
NASA amazed by never-before-seen 'waterworld' planet eight times bigger than Earth
The exoplanet, known as GJ 1214 b, was detected by the Hubble Space Telescope and dubbed a "waterworld" by the science ...