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.
格林尼治國際標準以英國倫敦格林威治皇家天文台爲準，也就是零經度爲準。
"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.
“一個滿月正好到達軌道的最近點，這是好幾年才會有的天文現象。” 英國皇家天文台的天文學家說，“月亮在初陞和下落時候是最大的，但這僅僅衹是心裡假象。”
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.
請求幫助的是位於倫敦格林尼治的皇家天文台。這個天文台已經爲想要成爲地球救世主的人建立了“太陽風暴觀察網”。

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