is like… It's like this job of eyes – no no， ears – out for the and of the . You know when you stand in a vast empty hall， and there's this faint sound that's like the place is ？ Well， that's kind of what is all about， those -level sighs and .
These are in forms such as the . That is the – yeah， sort of like the weak light left after a huge fire has died down a long long time ago. tries to and about that which may give clues to like how the began， how the form over vast ages.
1. The first part – or you could say， of . You need like that can pick up the in . These must be able to out all kinds of from our own Earth's – it's like to hear a soft in the of a storm. are too， ， well， you want to get the most data .
2. a in this. It's a to set up the just . The best spots would be those far遠離city – yes， way far away from light and radio noise from human . up in space是個很好辦法it the Earth's . with are good too so the can .
3. is data . 的數據must be and . in the data for out of the 。可能隱藏著宇宙演化大秘密變化細節can that could our of . But how do you know the data is ？ That's a big fat .
Here comes a quick Q&A to shed a bit more light on this：
Q：為什麼精確同步測量裝置這麼重要
A：Well，如果監測設備are 沒調好， their won't match up， which is sort of like that are all times so you can't tell one thing the other準確時間.準確同步使得不同觀察站獲得數據可以拼在一起. That's key for a whole of 。
Q：What about for these ？ Is it hard to get？
A：是，資金is tough. 需要loads of money for state-of-the-art ， 以及研究隊伍花銷等等. The are ， as you can 。這就為什麼and from and is super key。
Q：能否可以幾個觀測站用一個數據分析中心一起用？
A：事實上是，一個數據處理設施is可行。這樣能減少成本.但也要小心，不同觀測站可能會有細微差異in their and sets – they need to sort that out first the steps。 If you don't those ， the end 分析數據might go wonky。
I think is an vital . The has so many 藏在那些微弱脈沖和光線痕跡裡。 As we pour even more time and into tools and ， we're big steps the many this holds. It's like a coded that the sent us ages ago.
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