Quasar

音标
英式音标：/ˈkweɪ.zɑːr/
美式音标：/ˈkweɪ.zɑːr/

词性
名词

翻译

类星体（天文学术语，一种极亮的活动星系核心）

强大、活跃的事物（引申用法）

定义
Quasar（类星体）是宇宙中极其明亮且能量极高的天体，通常位于星系中心，其能量主要来源于超大质量黑洞吸积周围物质产生的辐射。类星体是目前已知最明亮的天体之一，可以比整个银河系的亮度还高。

读音
/ˈkweɪ.zɑːr/
发音要点：首音为/kweɪ/，类似“夸”，末音/ˈzɑːr/，类似“扎尔”。

用法
主要用于天文学、科普文章及科学论文中，也可在比喻意义上用于形容极其亮眼或强大的事物。

短语搭配

quasar emission 类星体辐射

quasar host galaxy 类星体宿主星系

quasar luminosity 类星体光度

quasar spectrum 类星体光谱

radio quasar 射电类星体

active quasar 活动类星体

quasar survey 类星体调查

distant quasar 遥远的类星体

quasar jet 类星体喷流

quasar absorption line 类星体吸收线

例句

Quasars are among the brightest and most energetic objects in the universe.

The discovery of a distant quasar helps astronomers study the early universe.

A quasar emits enormous amounts of radiation from its core.

Scientists use the quasar spectrum to analyze intergalactic gas.

Radio quasars can be observed using large radio telescopes.

The quasar's host galaxy is often difficult to detect due to its brightness.

Many quasars are believed to be powered by supermassive black holes.

The quasar survey has identified thousands of new quasars.

Observations of distant quasars provide clues about cosmic evolution.

Quasars can outshine entire galaxies, making them visible across billions of light-years.

如果你愿意，我可以帮你整理一个quasar的完整词汇表和常用搭配表，方便记忆和学习。