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s: 6183-ECON × m/document/d/10dcUOGy8bevGzUjKMWKUixfcQiTN1BVS7S3KOoczXOo/edit ls Add-ons Help Al changes saved In Dive Use Table 9.1 and Table 9.4 to find out how many times Rigel is brighter than Hadar. Question 5 Use Table 9.1 and Table 9.4 to find out how many times Aldebaran is brighter than Mimosa. Question 6 Use Table 9.1 and Table 9.4 to find out how many times Arcturus is brighter than Betelgeuse. Question 7 Use Table 9.1 and Table 9.4 to find out how many times Antares is brighter than Fomalhaut. Question 8 Use Table 9.1 and Table 9.4 to find out how many times Vega is brighter than Spica Question 9 What are the brightest stars of the Constellaion Orion?Explanation / Answer
Answer 4: Rigel is 1.58 times brighter than Hadar.
Explanation : The difference in the magnitude of the two stars is 0.5. From table 9.1, the brightness ratio corresponding to a magnitude difference of 0.5 should therefore be 1.58.
Answer 5: Aldebaran is 1.45 times brighter than Mimosa.
Explanation : The difference in the magnitude of the two stars is 0.4. From table 9.1, their brighter star will be 1.45 times more bright.
Answer 6: Arcturus is 1.58 times brighter than Betelguese.
Explanation : The difference in their magnitude is 0.5. From table 9.1, their brightness ratio will be 1.58, which means the brighter star will be 1.58 times more brighter than the other star.
Answer 7: Antares is 1.20 times brighter than Fomalhaut.
Explanation : The difference in the magnitude of the two stars is 0.2. From table 9.1, the brightness ratio is 1.20.
Answer 8: Vega is 2.29 times brighter than Spica.
Explanation : The difference in their magnitude is 0.9. From table 9.1, their brightness ratio is 2.29, meaning the brighter star will be 2.29 times more brighter than the other star.
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