Royal Observatory

基本解释

Greenwich Mean Time (GMT) is mean solar time at the Royal Greenwich Observatory in Greenwich, London, England, which by convention is at 0 degrees geographic longitude.
格林尼治国际标准以英国伦敦格林威治皇家天文台为准，也就是零经度为准。
"It's only every few years that a full moon happens to coincide with the part of the Moon's orbit when its closest to the Earth, " said Marek Kukula, an astronomer at the UK's Royal Observatory.
“一个满月正好到达轨道的最近点，这是好几年才会有的天文现象。” 英国皇家天文台的天文学家说，“月亮在初升和下落时候是最大的，但这仅仅只是心里假象。”
The plea for help comes from the Royal Observatory in Greenwich, London, which has set up a Solar Stormwatch website for would-be Earth saviors.
请求帮助的是位于伦敦格林尼治的皇家天文台。这个天文台已经为想要成为地球救世主的人建立了“太阳风暴观察网”。

John Harrison's clocks can be seen today at the Old Royal Observatory in Greenwich,England.