variable stars造句
例句与造句
- these objects include variable stars as well as supernovae
这些物体包括象超新星这样的变星。 - list of known variable stars
变星列表 - cepheid variable stars are stars whose brightness changes at regular periods
造父变星是一种光线按规律周期发生变化的恒星。 - welcome to the american association of variable star observers ( aavso ) nova search program
欢迎访问美国变星协会新星搜索组。 - naked-eye variable star
肉眼变星 - It's difficult to find variable stars in a sentence. 用variable stars造句挺难的
- besides, many stars vary in their brightness, they are called variable stars
另一方面，有些星则会改变光度，我们叫它们为变星。 - another new small-amplitude red variable star with period of about one day in the globular cluster m
4中另一颗周期约一天的小变幅新红变星 - a double, eclipsing variable star in the constellation perseus, almost as bright as polaris
大陵五，英仙座星，恶魔星英仙座的双星，几乎与北极星一样明亮。 - unlike the eclipsing variables that are related to geometry, some variable stars are variables because of their intrinsic structure
：和食变星不同的是，有些恒星的光度变化是内部因素所造成的。 - there are several types of variable stars . the graph showing the variation of brightness with respect to time is called the
变星种类繁多，科学家通常会用图来显示恒星亮度随时间的变化，这种图称为 - all red giants are variable stars . the core keeps on contracting and heating up until it is hot enough for the
所有红巨星都是变星，当外壳不断膨胀，氦核心同时不断收缩加热，直至足以燃烧氦我们称之为 - this makes space telescope invaluable for identifying a rare class of pulsating stars, called cepheid variable stars embedded within m100's spiral arms
这对于从m100的旋臂中分辨出暗藏的造父变星有着莫大价值。 - in 1784, john gooddricke, a 19-year old british astronomer discovered that delta cephei was a variable star with a period of 5.4 days . two years later, this dumb and deaf genius suddenly passed away
两年后，这位聋哑天才遽然逝世，但他的发现却把人类对天体距离的测度向前推展超过一亿光年！仙王座的 - astronomers made observations of cepheid variable stars [ pictured above ] ? pulsating stars used to measure vast distances ? in the virgo and other clusters to establish the expansion rate and the universe's age
天文学家用哈勃观测到仙女星座和其它星群中的造父变星(如图)，以确定宇宙的膨胀速度和宇宙的年龄。 - it analyses company of the value and controllable variable star according to the positive method, such as company of scale, velocity of share circulation, market shares and relevance of the trade value of goodwill, to test five hypothesizes on its value
其中商誉的交易价值大小表现为股票的流通股价格和产品交易价格超过它们各自符合假定市场公正平均价格的差额。
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