quasar怎么读，quasar的音标和真人发音
英音
[ˈkweɪzɑ:(r)]
美音 [ˈkweˌzɑr, -ˌsɑr, -zɚ, -sɚ]
音节划分：qua-sar
使用频率:
星级词汇:
quasar的词源和记忆技巧
quasar 类星体
缩写自quasi-stellar.
quasar 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- It almost surely once had a quasar phase , astronomers say .
- 天文学家已经几乎确认，它曾经存在一个类星体的阶段。
- That is what makes a quasar .
- 那就是，究竟是什么造就了一个类星体。
- A single quasar can be 1000 times brighter than an entire galaxy of 100 billion stars .
- 一个类星体比1000亿个恒星组成的星系还要亮1000倍。
- A radio galaxy is related to , but appears larger than , a quasar .
- 一个射电星系与之有关，但是它比类星体要大。
- Details in the structure of a distant quasar revealed .
- 揭示遥远类星体结构的细节。
- The quasar outshines its entire host galaxy so significantly that scientists have not been able to see what 's really causing all the commotion .
- 类星体中所有的星系都大放光芒，以至于科学家不能分辨到底是什么导致了这所有的爆发。
- As light from a quasar travels through space , it passes through clouds of gas that imprint absorption lines onto its spectrum .
- 当光从一个类星体划过太空，便会穿过将吸收线特征印在光谱上的气体云。
- This new quasar , though , appears to date from a time when the clearing process wasn 't yet complete .
- 这种新的类星体，但是，似乎从时间日期结算过程尚未完成。
- The data suggested that the value of alpha was very slightly smaller when the quasar light was emitted 12 billion years ago than it appears in laboratories on earth today .
- 观察数据表明，120亿年前这个类星体所发射出来光的α值极为轻微地小于目前在地球上的实验室所发现的数值。
- By studying the way a quasar magnifies light as a gravitational lens , he said , " we now can measure the masses of these quasar host galaxies and overcome this difficulty . "
- 他说通过研究类星体象重力透镜那样放大光线的方式，研究人员可计算出这些带有类星体的星系的重量并克服上述困难。
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