标签：观测 相关文章
分集介绍：该视频是关于天体物理学的x射线研究的讲课，主要讲x射线源的观测和相关概念的解析，包括x射线的发现历程以及x射线爆炸的解释等，还讲述了讲课人在进行相关研究观测过程中的
麻省理工学院公开课：振动与波
Reuters. Thousands gathered in Novosibirsk in Siberia to see a rare solar eclipse. With eye protection and some looking through specially shielded telescopes, they waited until the moment the sun began to disappear in the middle of the day. A total s
万花筒2008年
医院观测疾病情况，为紧急情况作准备 Middle East Respiratory Syndrome, or MERS, has infected more than 500 people since it was first identified in 2012. About 30 percent of those who contract it die. The steep increase in the number of
VOA双语新闻 2014年5月
Recycle Your Eclipse Glasses 公益！回收利用日食观测镜 Youve all taken off your glasses by now, along with the family and friends of my friend Dennis Meredith. Because the Great American Eclipse of 2017 has come and gone. And most people i
2017年Scientific American(九)月
That would give them a better sense of just how massive it is. 这将让他们更好的感知这个物体有多么的巨大。 There maybe more to come. The two researchers think they have found a second promising target lurking in Kepler's data. 或许
经济学人科技系列
Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda
2018年VOA慢速英语(五)月
A research team led by Professor Ye Kai from Xi'an Jiaotong University has detected the existence of dark matter in human genomes, including novel forms of complex variants that have never been observed before, Xi'an Daily reported on Oct. 10. 据《西
实用英语
Comet 彗星 Do you know what a comet is? 你知道彗星是什么吗？ A comet is an object in the solar system. 彗星是太阳系中的天体。 It travels around the sun like the planets. 它像其它行星一样绕着太阳转。 Then, why don'
与美国小学生一起学英文第11册
Friday, March 20, will see an astronomical triple play when a rare total solar eclipse occurs on the same day as the vernal equinox, and a supermoon makes an appearance.本周五（3月20日）将上演天文现象三合一：春分当天发生日全食
阅读空间
BEIJING: China will build its first long-term underwater observation platform in resource-rich South China Sea where it has territorial disputes with many south-east Asian countries including Malaysia the Philippines and Vietnam. 北京：中国将在和
英语新闻
Foreign Ministry spokesman Hong Lei says China has informed Malaysia and Australia soon after a Chinese satellite spotted a large object possibly related to missing flight MH370. Satellite imagery, captured by the high-definition earth observation sa
2014CRI中国国际广播电台
The James Webb telescope is being prepped for launch in 2021 and it will change the way that NASA views the universe. James Webb is designed specifically to look into the infrared, and this is an area of the spectrum where we have looked before, but
VOA标准英语2019年(一月)
Observational selection, on this Moment of Science. D: Grubs, on today's moment of science. Grubs are really cool because if you squish 'em . . . oh, I give up. I can't read this. Y: Why not? D: I'm sorry, Ya?l, I'm just discouraged. You see, for yea
英语时差8，16