1( D )18. There may be ___ stars in the Milky Way. A. billions B. billion C. billion of D. billions of 2( )7. There may be ___ stars in the Milky Way. A. billions B. billion C. billion of D. billions of 3)9.There may bestars in the Milky Way. A. billionsB.bil...
题目 (2分)There are about 200 ___stars in the Milky Way. A. . billion B. . billion of C. . billions D. . billions of 答案 A相关推荐 1(2分)There are about 200 ___stars in the Milky Way. A. . billion B. . billion of C. . billions D. . billions of 反馈 收藏 ...
Exploring the marks left by galactic accretion in the Milky Way helps us understand how our Galaxy was formed. However, finding and studying accreted stars and the galaxies they came from has been challenging. This study uses a simulation from the Numerical Investigation of a Hundred Astronomical ...
Eventually, the star sheds this puffy atmosphere, leaving behind a dense object known as a white dwarf. About 97% of the stars in the Milky Way, including the sun, are destined to become white dwarfs, De Buizer said. Sign up for the Live Science daily newsletter now Get the world’s...
Thegalaxyis surrounded by a huge hot-gas halo that is several hundreds of thousands of light-years in diameter. Astronomers estimate that the halo's mass is about the same as that of all the stars in the Milky Way. Many of the Milky Way's stars, however, are tough to view. That is...
There may be ___ stars in the Milky Way.A. billionsB. billionC. billion ofD. bil
百度试题 结果1 题目There are about 200 ___ stars in the Milky Way. A. billion B. billion of C. billions D. billions of 相关知识点: 试题来源: 解析 A billion前假设有具体数字,要用billion的单数形式,且其后不加of。反馈 收藏
BeWe present a resume of the results of three di erent studies of Be stars. The rst study is about a search for Be star candidates in the LMC, the second study is related to the rst systematic search for Be star candidates in the direction of the Galactic Bulge, and the third study ...
Carl Sagan once called the Sun an "ordinary, even a mediocre star." Most of the hundred billion or more stars in the Milky Way are humdrum and plain, but over the years astronomers have found plenty of peculiarities. In a universe bound only by the laws of physics, sometimes stars trans...
Thanks to a new study by a team of Spanish researchers, the oldest star in the Milky Way may have finally been discovered