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单词 Arecibo Observatory
释义

Arecibo Observatory

原声例句
当月 CNN 10 学生英语 2020年12月合集

The Arecibo Observatory Telescope in Puerto Rico was one of the most powerful telescopes in the world.

波多黎各的阿雷西博天文台望远镜曾是世界上最强大的望远镜之一。

VOA慢速英语_世界

The collapse at the Arecibo Observatory shocked scientists who had long used one of the world's largest radio telescopes.

阿雷西博天文台的这次坍塌事件震惊了曾经用过这个堪称世界最大电波望远镜之一的科学家。

传说之境

And further, the Arecibo Observatory in Puerto Rico was able to detect an ionosphere anomaly traveling from the epicenter of the supposed detonation site.

此外,波多黎各的阿雷西博望远镜能够探测到从所谓的爆炸地点的震中出发的电离层异常现象。

工程学速成课

Despite the collapse, Arecibo Observatory is not closed and science continues at the other facilities on site.

尽管倒塌,阿雷西博天文台并未关闭,现场其他设施仍在继续进行科学研究。

学生科学报

The team looked at radio data from the Arecibo Observatory in Puerto Rico and from the Green Bank Observatory in West Virginia.

该团队查看了波多黎各阿雷西博天文台和西弗吉尼亚州格林班克天文台的无线电数据。

未来世界建设

Some take the form of one big dish, like the massive Arecibo Observatory in Puerto Rico - which sadly collapsed in late 2020.

有些采取一个大盘子的形式,比如波多黎各巨大的阿雷西博天文台——它在 2020 年底不幸倒塌了。

中文百科

阿雷西博天文台

阿雷西博射电望远镜全景照片
阿雷西博射电望远镜全景照片
阿雷西博信息,信息本身没有颜色,颜色是人为标注用于区分的

阿雷西博天文台Arecibo Observatory)位于波多黎各的阿雷西沃山谷中,是世界上最大的单面口径电波望远镜,直径达305米,后扩建为350米,由史丹佛国际研究中心、国家科学基金会与康奈尔大学管理。阿雷西博望远镜是固定望远镜,不能转动,只能通过改变天线馈源的位置扫描天空中的一个带状区域。

1974年,为庆祝改造完成,阿雷西博望远镜向距离地球25,000光年的球状星团M13发送了一串由1,679个二进制数字组成的信号,称为阿雷西博信息。如果信息被地外智能生命所接收并正确解读,会得到如右图所示的信息,从上到下依次为:用二进制表示的1-10十个数字、DNA所包含的化学元素序号、核苷酸的化学式、DNA的双螺旋形状、人的外形、太阳系的组成、望远镜的口径和波长。向球状星团M13发送信息的原因是其中的恒星分布比较密集,被地外智能生命接收的可能性较大。

英语百科

Arecibo Observatory 阿雷西博天文台


The Arecibo Radio Telescope as viewed from the observation deck, October 2013
A detailed view of the beam-steering mechanism and some antennas. The triangular platform at the top is fixed, and the azimuth arm rotates beneath it. To the left is the Gregorian sub-reflector, and to the right is the 96-foot-long (29 m) line feed tuned to 430 MHz. Just visible at the upper right is part of the rectangular waveguide that brings the 2.5 MW 430 MHz radar transmitter's signal up to the focal region.

The Arecibo Observatory is a radio telescope in the municipality of Arecibo, Puerto Rico. This observatory is operated by SRI International, USRA and UMET, under cooperative agreement with the National Science Foundation (NSF). The observatory is the sole facility of the National Astronomy and Ionosphere Center (NAIC), which refers to the observatory, and the staff that operates it. From its construction in the 1960s until 2011, the observatory was managed by Cornell University.

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更新时间:2025/6/23 14:52:47