单词:astronomical years
= tropical year
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Beckham Unwrapped You know you've made it when you're 1)baited by world leaders, copied by 2)doyens of fashion and adored by fans worldwide, throw in a celebrity romance, marriage and children, the dr
This is Florida, a taste of the tropical, one of the world's most popular holiday destinations. Here mankind's unquenchable desire to explore and colonise reaches astronomical proportions. Eight, seven, six, five, four, three, two, one. Ignition. Lif
Lesson 43 Are there strangers in space? 宇宙中有外星人吗? First listen and then answer the following question. 听录音,然后回答以下问题。 What does the 'uniquely rational way' for us to communicate with other intelligent beings
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
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Its a plotline worthy of an action filmgalaxies, violently torn apart, smashing into one another, leaving remnants of themselves behind billions of years
今天我们要学的词是 astronomical. astronomical 的意思是高昂的、天文数字的。 In Silicon Valley, housing prices and rents are astronomical, and the rates a corporate housing provider can charge are sky-high as well. 硅谷的房价和
US Astronomer Proposes 364-Day Calendar 美天文学家提出一年为364天的历法 An American physicist is proposing a new calendar in which important days could fall on the same day of the week y
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We residents of the Milky Way should have a little extra skip in our step today. Turns out our home galaxy is much bigger and moving a lot faster than we previously th
By Nancy-Amelia Collins Jakarta 23 October 2006 Indonesian Muslims pray during the start of celebrations for the Eid al Fitr holiday at parangkusumo beach in Yogyakarta, October 23, 2006 Indonesian officials say they will release at least two Islami
How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th
How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th
Idiom: Out and about 溜达,转一转 Hit the book: Obscure Attempt Commonplace Sheer Sustain Astronomical
At his urging, the Royal Society agreed to engage a reliable figure to tour the British Isles to see if such a mountain could be found. Maskelyne knew just such a personthe astronomer and surveyor Charles Mason. Maskelyne and Mason had become friends
What an interesting and exciting thought. We may be only one of millions of advanced civilizations. Unfortunately, space being spacious, the average distance between any two of these civilizations is reckoned to be at least two hundred light-years, w
By David McAlary Washington 14 September 2006 Astronomers have found that the universe began lighting up in its infancy. They have observed the most distant and oldest galaxies ever seen, small galaxies that helped lift the cosmos out of its dark ag
S. African Scientists Claim Discovery of First Comet Strike 南非科学家发现首个彗星曾撞击地球的证据 JOHANNESBURG South African researchers say they have found conclusive evidence of earth's first-ever known comet strike, about 28 mi
南非科学家发现首个彗星曾撞击地球证据 JOHANNESBURG South African researchers say they have found conclusive evidence of earth's first-ever known comet strike, about 28 million years ago. The researchers say this exciting find in rura
The company published this map showing the cost of living in nearly 500 cities around the world. Red dots indicate expensive cities and green less expensive. 这张显示全球500座城市生活成本的地图,红点表示昂贵,绿色表示便宜。
Researchers are now pretty certain there's a ninth planet in the solar system. 研究人员如今相当确定,太阳系中存在着第九颗行星。 Konstantin Batygin and Mike Brown, two CalTech scientists, say the new planet is about 10 times th
This would mean that the universe was only half the size and age that Sandage believedten billion years. Matters took a further lurch into uncertainty when in 1994 a team from the Carnegie Observatories in California, using measures from the Hubble s