standard candle

standard candle

美 　英

• na.标准烛光
• 网络标准烛光法；标准蜡烛

英汉解释

na.

1. 标准烛光

例句

Astrophysicists have long thought of the Crab Nebula as a steady "standard candle" in X-ray wavelengths.

天体物理学家们长久以来一直将蟹状星云的X射线波段视作稳定的“标准烛光”。

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”。

The original article, When A Standard Candle Flickers, was published on January 12th in the Astrophysical Journal Letters.

原文《当标准烛光闪烁时》，已于1月12日在《天体物理学报》发表。

So for decades, astronomers have used it as a "standard candle" in the field of high-energy astrophysics.

因此几十年来，天文学家一直将其视为高能天体物理领域的“标准烛光”使用。

By the late 1980s, a suitable standard candle had been indentified: type Ia supernovae.

到上世纪八十年代末，一个合适的标准烛光出现了，它就是Ia型超新星。

This is similar to a standard candle appearing fainter at greater distances (left-hand illustration).

图左边就示意：遥远的超新星看起来（比预期的）更暗。

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。