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- It should therefore come as no surprise that accurately measuring the Hubble constant was a major goal for the eponymous space telescope from the outset. 因此,精确地测定哈伯常数这项任务,一开始便毫无疑问地成为以此为名的太空望远镜的主要目标。
- The inferred value of the Hubble constant is lowish but matches those arrived at by other techniques, within the error bars. 蓝光光度的变化会比红光更突然,所以研究人员认为,类星体的核心部分要比外部热一些也蓝一些。
- The Hubble constant (H0) is a measure of the current rate of expansion, which is the key parameter in determining the age of the universe. 哈伯常数(H0)测量现在的宇宙膨胀速率,是决定宇宙年龄时的一个关键参数。
- The Seyfert galaxy NGC 4151 is one of the nearest (z=0.00332, D=13.2 Mpc when a Hubble constant of 75 km s~(-1)Mpc~(-1) is used) and brightest Seyfert 1 galaxies. 赛弗特星系NGC4151是一个离我们最近(当哈勃常数取75km s~(-1)Mpc~(-1)时,红移为0.;00332,距离为13
- Because the redshift measures the receding speed, the constant of proportionality between distance and velocity, the Hubble constant, can be calculated. 自1989年以来,天文学家已经确认五个多重类星体系统中有微透镜现象。
- SCALE OF COSMIC DISTANCE AND HUBBLE CONSTANT 宇宙距离尺度和哈勃常数
- Evolution of the Scale Factor and the Hubble Constant 尺度因数演化及哈伯常数
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
- Revolution in Rechnology Toward the Measurement of the Hubble Constant 测量哈勃常数的技术革命
- Her constant complaining just sticks in my craw. 她那不断的诉苦真使我受不了。
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- I was infuriated by/with their constant criticism. 他们没完没了地批评把我给气坏了。
- Possibility of Hubble Constant and Background Infrared Radiation Measurements With Yangbajing RPC Carpet Experiment 利用羊八井RPC‘地毯’测量哈勃常数和红外背景辐射的可能性
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- She feels wearisome by the constant noise. 她很厌烦那些没完没了的嘈杂声。
- She matured her novel by constant revision. 她不断修改自己的小说以使其趋于完善。
- She yelled at him about his constant drunkenness. 她大嚷大叫说他总是烂醉如泥。
- I've had enough of your constant chatter. 我已经听够你那没完没了的唠叨话。
- She was wearied by the constant noise. 她很厌烦那些没完没了的噪杂声。
- Salaries are kept under constant review. 薪金问题要一直不断审订。