親子觀星會

澳科学家接收到50亿年前银河系发送信号
http://www.cnbeta.com/articles/408469.htm
日前澳洲科学家用一组无线电望远镜，收到了50亿年前一个银河系发送出来的信号。天文学家在澳洲西部装设了36个碟子，接收外层空间传来的讯息。
。他们最近从“天坛”星座方向，接收到从一处银河系发出的无线电波信号。 信号里有氢气的印记。氢气是组成星球的重要物质，多数银河系里都充满了氢气。澳洲天文学家说，能侦测到这组太阳系出现前的银河信号就表示，这套无线电望远镜也可以收到其他遥远银河系的讯号

http://www.ibtimes.co.uk/mystery-radio-signals-space-recorded-live-5-5-billion-light-years-away-1484035
Mysterious radio signals coming from an unknown source 5.5 billion light years away have been observed live for the first time.
(http://d.ibtimes.co.uk/en/full/1419743/parkes-radio-telescope.jpg?w=736)

(http://d.ibtimes.co.uk/en/full/1419744/fast-radio-burst.png?w=367)


http://www.dailymail.co.uk/news/article-2919292/A-mystery-flash-far-Milky-Way-ET-Astronomers-investigate-flash-radio-waves-originated-5-5BILLION-light-years-away.html

無線電傳如此遠?
那發射能量是多大??