本题目来源于试卷: Astrophysics and Cosmology，类别为 IB物理学
[问答题]
Suppose two stars ofgc bob) ld-m:)0en+u r the 1buuxzdh8ft 79 :muf( same apparent brightness $l$ are also believed to be the same size. The spectrum of one star peaks at 800 nm whereas that of the other peaks at 400 nm. Use Wien's law (Section 27-2) and the Stefan-Boltzmann equation (Eq. 14-5) to estimate their relative distances from us.
参考答案: 
本题详细解析:
暂无
| 
