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造父

网络Cepheid; Tso Fu

造父

造父

Cepheid

他的第一个重大发现便是造父（Cepheid）变星，它位于仙女座（Andromeda）大星云的外沿。因为它的亮度随着一定的周期 …

Tso Fu

造父（Tso Fu），系星官之一，喺危宿之下造父一，系西洋天文来讲，系仙王座δ星；造父二，系仙王座ζ星；造父三，系仙王 …

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Admittedly , the energy needed to produce a Cepheid-modulating neutrino beam really would be a sizeable fraction of the output of the sun .

应当承认，制造用来调整 “造父变星 ”的中微子束所需要的能量确实将相当于太阳整体输出能量的大部分份额。

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Any of a CLASS of intrinsically variable stars with exceptionally regular periods of light pulsation.

造父变星一类具有极规律的光波震动期的内部可变的星

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Although Cepheids are rare , they provide a very reliable "standard candle " for estimating intergalactic distances .

虽然造父变星数量稀少，它们是估计银河系间距离的一种非常可靠的 “标准烛光 ”。

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Dr. J. : Astronomers have used Hubble to observe cepheids and to pin down their distances much more accurately .

博士：天文学家已应用哈勃望远镜来观测 “造父变星 ”并以此更准确地计算出它们的距离。

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It is the spiral galaxy NGC 4603, the most distant galaxy in which Cepheid variables have been found .

本图是其中一个星系：漩涡星系 NGC4603 ，本报告中发现造父变星的最远星系。

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Another type of standard candle is a type of star called a Cepheid variable .

另一种标准烛光是一种叫做造父变星的恒星。

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Well, you may ask : How can we determine the luminosity-period relation ?

但你可能会问：我们怎样得知造父变星的光变周期光度关系？

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Observations of distant Cepheids such as those in NGC 4603 also help astronomers to precisely measure the expansion rate of the universe .

观测造父变星的距离也有助于天文学家准确测量宇宙膨胀速度。

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