quasars
美 [?kwe??zɑr]
英 [?kwe?zɑ?(r)] 
- n.【天】類星體;類星射電源
- 網(wǎng)絡類星電波源;類星球體;似星體
詞形變化
復數(shù):quasars
英漢解釋
英英解釋
例句
The research is expected to help nail down estimates of even bigger black holes associated with ancient distant galaxies known as quasars.
這項研究有助于人們對于更大體積的黑洞進行估計,而這種黑洞可能與名為類星體的古老星系有關(guān)。
STIS can see in ultraviolet, visible and near-infrared and has been used to examine black holes, quasars and planets.
STIS能夠觀測紫外、可見光和近紅外波段,主要用于研究黑洞、類星體及行星。
Did you know there's a black hole in the center of our galaxy? No Time Dilation for Distant Quasars? Galactic Monster Mystery Solved.
你知道我們銀河系中心有一個黑洞嗎?別瞪大眼睛搜尋那遙遠的類星體--那沒用!銀河系大揭秘。
The discovery suggests that quasars created at least some galaxies, and perhaps not the other way around.
該發(fā)現(xiàn)表明,類星體至少創(chuàng)造了某些星系,或許并不是星系創(chuàng)造了類星體。
The supermassive black holes that are still active, however, do not exhibit the same behavioral patterns as the distant quasars.
但是,目前仍活躍的超大質(zhì)量黑洞,其行為模式與遙遠的類星體并不相同。
Their colleagues might be happy probing to the edge of the cosmos looking for exotic things like black holes and quasars and dark matter.
他們的天文學同僚們或許很樂意探索宇宙的邊緣以尋找奇特的物質(zhì),比如黑洞、類星體和暗物質(zhì)。
The name comes from the fact that the first quasars identified emit mostly radio energy and look much like stars.
這個名字實際上來自首個被確認的類星體,它所發(fā)射的絕大部分是射電能并且看上去很像恒星。
They are rare, accounting for roughly one out of every 500 observed quasars .
大約每觀測500個類星體,才會出現(xiàn)一個這種稀罕的類星體。
But a crucial part of the puzzle remains unsolved: How did the universe form monster quasars so early in its history?
但是,這個謎題的一個關(guān)鍵部份仍然懸而未解:宇宙如何能在其早期歷史中形成如此巨大的類星體?
Quasars are so far away that they constitute the best frame of reference for measuring Earth's rotation rate.
到目前為止,類星體是測量地球自轉(zhuǎn)最好的參照系。
But the relative abundance of quasars in the first billion years of the universe has puzzled astrophysicists.
但是,類星體在宇宙誕生的前十億年中的相對來說很豐富一直使天文物理學家迷惑不已。
The new observations revealed hidden quasars in every one of the galaxies, the team reports online today in Science.
研究小組今天在《科學》在線版上報道說:這些新的觀測顯示,每個星系中都有隱藏的類星體。
Dr Webb first conducted such a study almost a decade ago, using 76 quasars observed with the Keck telescope in Hawaii.
約十年前,Webb博士在夏威夷用Keck望遠鏡觀測76個類星體,首次進行了此類研究。
To do this, it will examine what happens to the beams coming from faint, distant quasars as they pass through the cosmic web.
它將檢查當衰弱而遙遠的類星體通過宇宙網(wǎng)時,從它發(fā)出的光究竟發(fā)生了什么。
The main results of the observation of quasars are shown as continuous spectrum, absorption line spectrum and emission line spectrum.
類星體的觀測結(jié)果集中表現(xiàn)在三個方面:連續(xù)譜、吸收線和發(fā)射線。
The blue and yellow areas around the "butterfly wings" are quasars on the outer edges of observable space.
藍色和黃色區(qū)圍繞“蝴蝶翅膀”是對觀察到的太空邊緣外類星體。
They behave as scaled-down versions of much more massive black holes that are at the cores of extremely active galaxies, called quasars.
它們的表現(xiàn)可以極端活躍星系(稱為類星體)中心的大型黑洞作為參照。
To do this, it will look at what happens to the light coming from faint, distant quasars as it passes through the web.
要做到上述這點,還要根據(jù)微弱而遙遠類星體的光經(jīng)過宇宙網(wǎng)時發(fā)生的現(xiàn)象而定。
The quasars are so bright that they probably are consuming their energy resources at a very rapid rate.
類星體非常明亮,因而它們可能正在極其迅速地消耗它們的能源。
How can an uneducated man praise God for the wonders of crystallization or capillary attraction or metamorphosis or quasars or stalactites?
一個沒有受過教育的人怎么能稱贊如結(jié)晶體、毛細血管吸引、質(zhì)變、鐘乳石等上帝的奇跡呢?
The quasars are so bright that they probably are consuming their energy resources at a very rapid rate.
類星體非常明亮,因而它們可能正在極其迅速地消耗它們的能源。
Astronomers using Hubble tracked down the 'homes' of quasars, proving that these dynamos reside in the centers of galaxies.
天文學家使用哈勃望遠鏡追蹤到這些恒星狀球體的“家”(宿主星系),并且證明它們位于這些星系的中心區(qū)域。
Energy is injected into space by quasars in the form of fast, nonrelativistic particles.
能量是以快速非相對論性粒子的形式由類星體注入空間的。
The new observations also suggest that quasars were more common in the early universe than previously thought.
這些新觀測還表明,早期宇宙中的類星體更為常見,這一點是始料不及的。
Quasars are the very active centers of galaxies though to surround the central supermassive black hole.
類星體是星系中最活躍的中心,盡管他們圍繞著中心特大質(zhì)量黑洞。
And unlike the super-bright but brief light emitted by the explosive deaths of giant stars, called supernovae, quasars shine for eons.
巨星恒星發(fā)生爆炸而滅亡時被稱為超新星,這時所釋放的光線特別明亮而短暫;而類星體是不同的,它們會永久地照耀下去。
Some stellar-mass black holes launch powerful jets of particles and radiation, like seen in quasars, and are called "micro-quasars" .
有些恒星質(zhì)量的黑洞發(fā)射強大的粒子和輻射噴流,就像在類星體中看到的,被稱為“微類星體”。
Nor could stellar slam dancing explain the narrow jets that emanate from the central power houses of many quasars.
而恒星的碰碰舞也無法解釋許多類星體活躍的核心所放射出的狹長噴流。
Quasars, however, shine brightly and more or less steadily, and the nature of that ancient beacon can tell an important tale.
類星體,但是,光澤明亮,或多或少穩(wěn)步推進,該古老的燈塔性質(zhì)可以告訴一個重要的故事。
A decade ago, Webb used observations from the Keck telescope in Hawaii to analyse the light from distant galaxies called quasars.
十年前,韋伯使用了夏威夷的凱克望遠鏡(Kecktelescope)觀測和分析了從遙遠的、稱為類星體的星系所發(fā)射出來的光線。
Quasars are objects that appear stellar or almost stellar, but their enormous redshifts identify them as objects at very large distances.
類星體是物體出現(xiàn)恒星或幾乎恒星,但其巨大的紅移確定物體他們非常大的距離。
Astronormers discovered quasars-- extremely bright beacons billions of light-years away.
天文學家發(fā)現(xiàn)了幾十億光年之外如燈塔一般極亮的類星體。
It means that there isn't much room for other mechanisms to produce obscured quasars.
這意味著沒有其他辦法產(chǎn)生很大的空間遮蔽類星體。
Only about the size of our solar system, quasars easily outshine entire galaxies and can burn for 100 million years.
類星體僅僅大約相當于我們太陽系的大小,可是它們可以輕而易舉地照亮整個星系,可以燃燒一億年。
It has measured the precise distance to a million galaxies and has discovered about 500, 000 quasars.
至今它已經(jīng)精確測量出了百萬個星系和偶們的距離,外加發(fā)現(xiàn)了50萬個類星體。
Other speculations include the hypothesis that quasars are actually white holes instead of supermassive black holes.
其它的推測包括類星體實際上是白洞而不是超大質(zhì)量黑洞的假設。
Larson figures this scenario for black hole feeding probably applies to the most distant quasars, too.
拉爾森關(guān)于哺育黑洞的計算方法可能同樣也適用于最遙遠的那些類星體。
Just last week, the first possible direct evidence was announced for dark matter halos around early quasars.
在上周,第一份可能是早期類星體周圍的暗物質(zhì)環(huán)的直接證據(jù)剛剛公布。
And you can take it for granted that they've heard of stars and galaxies, but not necessarily of star clusters or quasars.
我們可以認為他們聽說過恒星和星系,但是我們不能認為他們知道星團或者類星體。
After about 500 million years, the ionized helium in the quasars cooled and slowed enough that dwarf galaxies could begin bulking up again.
在年夜約5億年后,類星體中的浪子化的氦冷了下來,而且減慢到足以讓矮星系能夠再次起頭膨年夜。
Other indications of mega-mergers come from relatively nearby quasars.
其他的百萬級合并的標志來自于相對近一些的類星體。