解析 答案: hundreds of详解: 句意:银河系中的恒星数量估计在数千亿颗。 根据"The number of stars in the galaxy is estimated to be inthe”及本单元所学单词可知,此处指的是数量, hundreds of数以百计"符合语境, 故填hundreds of。 反馈 收藏
“Going into the research, astronomers had observed that the number of Milky Way stars diminishes rapidly about 50,000 light years from the center of the galaxy, and then a ring of stars appears at about 60,000 light years from the center.” “What we see now is that this apparent ...
题目If you look up at the sky on a clear and dark night,you'll see more stars than your eyes can count.Most of these stars have planets,similar to our own,orbiting them.With so many celestial bodies floating out in space,you can't help but question whether other...
“These results are powerful evidence that a significant galaxy evolution has taken place throughout the universe’s history, which dramatically reduced the number of galaxies through mergers between them—thus reducing their total number,” Conselice said. “This gives us a verification o...
解析 hundreds of 【详解】 句意:银河系中的恒星数量估计在数千亿颗。根据“The number of stars in the galaxy is estimated to be in the”及本单元所学单词可知,此处指的是数量,hundreds of“数以百计”符合语境,故填hundreds of。反馈 收藏