单词:radio-astronomer
单词:radio-astronomer 相关文章
Space aliens and extraterrestrials have long been popular subjects of Hollywood movies and science fiction literature. But the idea of intelligent life in outer space is no longer limited to fiction. For the last 50 years, scientists and astronomers
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
Voice 1 Welcome to Spotlight. Im Colin Lowther. Voice 2 And Im Katy Blake. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Everyone has looked up into th
Astronomers: Evidence Found of First Stars Astronomers have observed what they believe is the formation of the universe 13.6 billion years ago, when the earliest stars were just starting to shine. The astronomers say their observations may also have
The mystery of what could count for the quasars' extraordinary brightness was the hot topic in astronomy during the 1960s. As astronomers began to grapple with the new enigmatic objects that had been found by the radio telescopes, one astronomer, kee
本期内容: Something is happening out there, and astronomers sure wish they knew what it was. For the last several years, they have been teased and baffled by mysterious bursts of radio waves from the distant universe: pops of low-frequency radi