Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(46) / 评论(0) 分类 60秒科学

题目: The function of science is to reassure; the purpose of art is to upset. Therein lies the value of each. 科学的作用是解惑;艺术的目的是创新。只有这样他们才各得其所。 正文: Science and art are two of the most g

发表于:2019-01-08 / 阅读(29) / 评论(0) 分类 GRE作文

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

发表于:2019-01-14 / 阅读(38) / 评论(0) 分类 VOA标准英语2014年(七月)

题目: The function of science is to reassure; the purpose of art is to upset. Therein lies the value of each. 科学的作用是解惑;艺术的目的是创新。只有这样他们才各得其所。 正文: Science and art are two of the most g

发表于:2019-02-09 / 阅读(45) / 评论(0) 分类 GRE作文

GRE优秀作文:科学的作用。GRE频道小编为同学们整理了GRE优秀作文:科学的作用,供同学们参考使用,希望对同学们的gre 考试有所帮助,下面和小编一起来看看吧: 题目: The function of scienc

发表于:2019-02-09 / 阅读(28) / 评论(0) 分类 GRE作文

Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological

发表于:2019-02-18 / 阅读(121) / 评论(0) 分类 英语新闻