单词:Greenwich mean astronomical time
单词:Greenwich mean astronomical time 相关文章
What isis the future outside the Marilyn Science Center.it's a full scale model of NASA'S James Web space telescope.Scientist believe the real thing will redefine our understanding of our place in the universe. It will be so unique it can look furthe
PartI Getting ready B. 1.man: What time do you have? Woman: I have a quarter to five. Man: Excuse me? Whats the time? Woman: A quarter to five. 2.woman: What time is it? Man: its 10:15. Woman: are you sure? My watch has 10;30. Man: your watch must b
As you leave the castle area, you can stroll through the Malá Strana or Lesser Quarter tuck ed at the foot of the hill. The neighborhood, one of the best preserved in the city, prospered when upper-c
Time is One of the Great Mysteries 时间是最难解的谜团之一 From VOA Learning English, this is Science in the News. I'm June Simms. Our program today is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of tim
Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie
accurate 准确的 all over the world 全世界 be connected with 与有联系 be immense size 外型巨大 be responsible for 对负责任 burn down 烧毁 check 检查 erect 建起 give time 报时 go wrong 出错 Greenwich 格林尼治 microphone 麦
A:Did you set your clock forward for daylight savings time? B: What? Why do we have to do that? A: Well, at the start of the spring we usually have more daylight in the mornings and less in the afternoon. This is basically due to our position on the
Imagine getting on a train at twelve noon and heading out on a four-hour trip to another town. 设想一下:您正乘坐一辆中午12点整出发的火车前往另外一个城市,路途耗费4个小时。 Youd expect to arrive at four oclock in
[00:02.25]From 1912, Einstein began to study the science [00:06.75]of space and time. [00:09.94]In 1921, he received the Nobel Prize [00:13.53]for his research work.Besides the Nobel Prize, [00:18.65]Einstein was also awarded the Copley Medal [00:22.
(woman) Most people think of astronomers as people who spend their time in cold observatories peering through telescopes every night. In fact, a typical astronomer spends most of his or her time analyzing data and may only be at the telescope a few
Why Was Greenwich Standard Time Created? Imagine getting on a train at twelve noon and heading out on a four-hour trip to another town. Youd expect to arrive at four oclock in the afternoon, right? But before the last few decades of the 19th century,
I had thus learned a second fact of great importance: 我还了解到另一件重要的事, this was that the planet the little prince came from was scarcely any larger than a house! 就是他老家所在的那个星球比一座房子大不了多少。
So, we have devices to mark the passing of time. But what time is it now. Clocks in different parts of the world do not show the same time at the same time. This is because time on Earth is set by the sun's position in the sky above. We all have a tw
So when a hopeful and softspoken minister got in touch to ask if they had any usable field charts for hunting supernovae, the astronomical community thought he was out of his mind. At the time Evans had a ten-inch telescopea very respectable size for
Part 3. The Time Ball. Keywords. time ball, drop, time signals, tradition. Vocabulary. install, observatory, revive, sweep, viable, hoist, gravity, mechanism, aluminum, flavor, sponsor, Greenwich, Miami, Atlanta. A. Listen to some statements about th
Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur
The Royal Observatory Neil: Its the Prime Meridian line. Yang Li: Its the centre of world time and space. Neil: Its the Royal Observatory at Greenwich. Im David Rooney and Im the Curator of timekeeping here at the Royal Observatory in Greenwich. Well
Earth's days are getting longer but you're not likely to notice any time soon it would take about 6.7 million years to gain just one minute, according to a study published last Wednesday. 据上周三公布的一份报告显示,地球的白天时间正
Do you know the time? 你知道时间吗? Time is a very complex thing. Were surrounded by it, yet all too often we feel like we dont have enough of it. 时间是个非常复杂的东西,它无处不在,又常常让我们感觉不够用。 Some
The few craters that remained evident on Earth (most had been eroded away) were generally attributed to other causes or treated as fluky rarities. 一般来说,地球上仅有的几个明显的坑(大多数已经被侵蚀干净)要么被归于别的原