蒭藁增二是所有著名变星中的一颗。
欢迎访问美国变星协会新星搜索组。
Welcome to the American Association of Variable Star Observers (AAVSO) Nova Search program.
的演变星条旗的增长反映了美国。
The evolution of the Stars and Stripes reflects the growth of the United States.
最上面正中一年轻的变星正在破茧而出。
Young variable star RY Tauri is emerging from a yellowish cocoon of dust near top center.
另一种标准烛光是一种叫做造父变星的恒星。
Another type of standard candle is a type of star called a Cepheid variable.
美国变星观测者协会。
有些星经历着真正的变化,这种星叫做变星。
Some stars do undergo changes, such stars are called variables.
当实时模式选中后将不能改变星图的日期和时间。
When real time mode is switched on, you will not be able to alter the map time or date manually.
经过闪视和测量,共发现两颗新耀星和15颗新变星。
After blinking and measuring, two flare stars and 15 variable stars are found.
他的首次重大发现产生于他认识了一颗造父变星的时候。
His first great discovery was made when he recognized a Cepheid variable star.
杰尼佛对海物过敏,所以我不得不改变星期六晚上的菜谱。
Jennifer is allergic to seafood, so I'll have to change my menu for Saturday night.
1946年至1948年张钰哲去美国做访问学者,研究变星。
From 1946 to 1948 he once again went to the United States to study variable stars.
变星的一种,它的固有光度和它的光变周期有着紧密的联系。
A type of variable star whose period of variation is tightly related to its intrinsic luminosity.
这不仅使得理论自身内部更为一致,也给变星脉动理论计算带来方便。
The variables describing the gas are separated from the radiative ones, that brings convenience for the numerical calculations of stellar oscillations.
这将足轻微加热内核,这种热量会反过来会加快造父变星的脉搏频率。
That would be enough to heat the core slightly and this heating would, in turn, accelerate the Cepheid's pulse rate.
自2003年以来,天王星第一次改变星座,从双鱼座移到了白羊座。
For the first time since 2003, Uranus is changing signs, moving from Pisces into Aries.
然而,顾客张路的意见却不相同,她担心这会改变星巴克原来独有的口味。
However, others, like customer Zhang Lu, worry that it may alter Starbucks' distinctive flavour.
他们发现了差不多800个造父变星,一种用于准确测量距离的特殊变星。
They discovered almost 800 Cepheid variable stars, a special class of pulsating star used for accurate distance measurement.
娇小而微微泛黄的星云NGC 6729环绕在年轻变星南冕座R的周围。
The smaller yellowish nebula (NGC 6729) surrounds young variable star R Coronae Australis.
太阳是不被认为是变星,但它的变化进行定期的活动被称为太阳黑子周期。
The sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
在色星等图上,处于造父不稳定带的左外侧而温度较高,故简称热造父变星。
On the colour-magnitude diagram they are situated near and more left than the hotter edge of the Cepheid instability stripe, so their temperature is higher than other types of pulsating variables.
而且,伦德博士测算出“造父变星”的脉动周期能够用适当的微中子束加以调整。
Dr Learned, however, reckons the pulse-period of a Cepheid could be modulated by a suitable beam of neutrinos.
因此,也许到了改变星际命名公约,并该给太阳系外的行星起个好名字的时候。
Perhaps, therefore, it is time to change the convention and give such a name to an extrasolar planet.
张钰哲研究小行星的光变曲线和旋转、CZ仙后座变星以及哈雷彗星轨道的变化。
He studied the light curves of asteroids and thus their rotation, and also studied the variable star CZ Cassiopeiae, and the evolution of the orbit of Comet Halley.
你可以分解那些五颜六色的双星并且可以花费数年的时间来追踪变星的亮度变化。
You can split scores of colorful double stars and spend years following the fadings and brightenings of variable stars.
碰撞也会改变星系的外形,特别是当两螺旋星系融合后可能会产生单一的椭圆星系。
Collisions also can transform the shape of galaxies involved; specifically, the merger of two spiral galaxies may produce a single elliptical galaxy.
这可能是当未来人们居住的行星,运转于一个激变星的双星系统下所需要担忧的事情。
Such dilemmas might be pondered one day by future humans living on a planet orbiting a cataclysmic variable binary star system.
这可能是当未来人们居住的行星,运转于一个激变星的双星系统下所需要担忧的事情。
Such dilemmas might be pondered one day by future humans living on a planet orbiting a cataclysmic variable binary star system.
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