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Vubar
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Dropdown 1: main sequence
Dropdown 2: white dwarfs
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Select from each of the drop-down menus the option that creates the most accurate statement based on the information provided.
If it is assumed that one of the stars on the graph represents the sun, it must be that the sun is a star.
Apart from the main sequence stars, the group of stars with the greatest range of temperatures is the group of
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Dropdown 1: main sequence
Dropdown 2: white dwarfs
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GMATCoachBen
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16 Dec 2023, 21:54
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Video solution here (2:39):
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Vubar
Joined: 03 Sep 2021
Last visit: 13 Feb 2025
Posts: 94
Given Kudos: 16
Location: Australia
Schools: Harvard '24 LBS '24 Sloan '24 Stanford '24 Yale '24
GMAT 1: 690 Q42 V42
GMAT 2: 760 Q49 V42
GMAT 3: 770 Q49 V47
GMAT 4: 750 Q49 V44
30 Sep 2022, 00:49
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Hi, sorry for the delayed reply!
For the first question:
For the second question:
I hope that helps!
For the first question:
We know the sun must be a main sequence star, because the y axis shows us how bright the stars are compared to the sun. So the sun itself would have a value of 1, on the y-axis, and only main sequence stars have a value of 1 on the y axis.
For the second question:
To see the range of temperatures, we are looking for the widest spread on the x axis. Main sequence is not included, so we are comparing the other groups. However, the x axis is not uniform (the furthest left side goes from 40,000 to 20,000 while the right side goes from 5000 to 2500). Because of this, we can see that the white dwarfs are spread across many thousands of degrees more than any other group (excluding the main sequence).
I hope that helps!
