金星比地球更靠近太阳，金星的太阳常数是……

Question

BlackTom AI · Accepted Answer

题干重述:
- 问：金星比地球更靠近太阳，因此金星的太阳常数是高于地球、低于地球，还是相等？
- 给定选项：只有一个选项“高于地球”。
分析各选项:
- 选项“高于地球”：这是正确的方向性判断。因为太阳常数与距离的平方成反比，即 S ∝ 1/r^2。金星与太阳的平均距离约为 0.723 AU，相对于地球的 1 AU，金星处的光强按 1/0.723^2≈1.92 的倍率增加，理论上约为地球的 1.9 倍。因此金星的太阳常数确实高于地球的太阳常数。
- 关于其他潜在问法（若存在其他选项）：需要比较太阳常数的绝对数值和相对关系。太阳常数只取决于距离，与行星的地理特性（如反照率、云层等）无关，因为太阳常数是单位面积上直接接收到的太阳辐射功率，不受目标物体反射/吸收特性的影响。
- 选项为何不涉及其他对比（如“低于地球”或“相等”之类的说法）：基于距离平方律，距离更近的天体应接收更强的太阳辐射，除非涉及极端特殊情形（如大气层显著阻挡），但在太阳常数的定义下，仍以距离决定强度级别，因此“高于地球”是符合物理规律的结论。
- 额外说明：若将来提供完整的选项集，可以逐条对比，应用 S_Venus = S_Earth × (1 AU / 0.723 AU)^2 的计算，直接得到相对因子并判断大小关系。当前只有这一选项，结论性判断会依赖于它是否正确表达了“更高”的关系。

CLMTGR5001_002_2025_3 - 气候变化和变化的动力学测验 2b 第 2 周第 2 讲

金星比地球更靠近太阳，金星的太阳常数是……

查看解析

登录即可查看完整答案

类似问题

The solar constant for the earth is the amount of solar energy received at the earth distance from the sun

The solar constant for the earth is the amount of solar energy received at the earth distance from the sun

The solar constant:

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

A product has a selling price of $20, a contribution margin ratio of 40% and fixed cost of $120,000. To make a profit of $30,000. The number of units that must be sold is: Type the number without $ and a comma. Eg: 20000

Which of the following statement regarding cost is correct:

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单

CLMTGR5001_002_2025_3 - 气候变化和变化的动力学 测验 2b 第 2 周 第 2 讲

金星比地球更靠近太阳，金星的太阳常数是……

查看解析

登录即可查看完整答案

类似问题

The solar constant for the earth is the amount of solar energy received at the earth distance from the sun

The solar constant for the earth is the amount of solar energy received at the earth distance from the sun

The solar constant:

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

A product has a selling price of $20, a contribution margin ratio of 40% and fixed cost of $120,000. To make a profit of $30,000. The number of units that must be sold is: Type the number without $ and a comma. Eg: 20000

Which of the following statement regarding cost is correct:

更多留学生实用工具

希望你的学习变得更简单

CLMTGR5001_002_2025_3 - 气候变化和变化的动力学测验 2b 第 2 周第 2 讲