What is the first stage in a star's life cycle? A. 因好因好Main-sequence star因好因好 B. 叫列正发二积进大结交程地边导列过儿叫列正发二积进大结交程地边导列过儿Red giant叫列正发二积进大结交程地边导列过儿叫列正发二积进大结交程地边导列过儿 C. 工你根工你根Protostar工你根工你根...
A. Its distance from other stars B. Its age C. Its mass D. The amount of dust around it 相关知识点: 试题来源: 解析 C。解析:The size and brightness of a main-sequence star depend on its mass.表明主序星的大小和亮度取决于它的质量。
The majority of all stars in our galaxy, and even the Universe, are main sequence stars. Our Sun is a main sequence star, and so are our nearest neighbors, Sirius and Alpha Centauri A. Main sequence stars can vary in size, mass and brightness, but they’re all doing the same thing: ...
These stars are called dwarf stars, and their life cycle has three main phases: Yellow dwarf Red Giant White dwarf If the size of a star is greater than the average star size, meaning it has a mass greater than 8{eq}M_\odot {/eq}, it is called a high-mass star. These stars ...
The simplest way to describe a star is that it is a great ball of fire, but more complicated than that. A star is a giant ball of hydrogen turning into helium through nuclear fusion.
metallicity than other stars. When a star goessupernova, the material is thrown out, and some of it was used in the creation of the Sun. As our star gets older, it will possibly become a Classical Cepheid star after it has finished theMain Sequenceof its life and become unstable....
In the sequence of shapes, the first is a star, then a heart, and then a moon. What is the fourth shape? A. Star B. Heart C. Moon D. Sun 相关知识点: 试题来源: 解析 A。因为按照顺序,先是星星,然后是心形,接着是月亮,之后又回到星星。
Here, you may ask what a main sequence star is. OK...the main sequence refers to a major grouping of stars that uh... forms a relatively narrow band from the upper left to the lower right, when plotted according to luminosity, that is, how bright it is, and surface temperature, on...
What Is the Proper Construction Sequence?Dear Ms. Builder: We are planning a do-it-yourself project to addanother bathroom for the...By ServicesStarcott Media
The sequence for us is BE - DO - HAVE. This begins to sound almost religious, and it is one of the characteristics of humanistic psychology, which distinguishes it very sharply from secular humanism, that it has a place for the spiritual. Maslow always laid great stress on the importance ...