111星等

111星等

10th Grade

6 Qs

quiz-placeholder

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111星等

111星等

Assessment

Quiz

Education

10th Grade

Practice Problem

Medium

Created by

SW簡巧菱 SW簡巧菱

Used 2+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

星等差一等,亮度約差幾倍?

1

2

2.5

5

10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

星等差五等,亮度差幾倍?

1

5

10

100

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

恆星顏色與下列何者相關?

恆星表面溫度

恆星與地球距離

恆星的體積

恆星視星等

恆星絕對星等

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

紅色的天蠍座最亮星心宿二及藍色的海王星,何者表面溫度較高?

心宿二

海王星

無法判斷

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A恆星視星等3等,距地球1秒差距(3.26光年)(視差角=1角秒),求其絕對星等為幾等?

-2

1

3

8

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

人的瞳孔直徑約7mm,請問要用多大的望遠鏡可見11等星?

50

60

70

100

150

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