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Hr Diagrame Intro
By MAI HASSAN
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Last updated almost 5 years ago
19 questions
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Question 1
1.
Click on the following link move the star around the graph and write down three observations?
https://astro.unl.edu/mobile/HRdiagram/HRdiagramStable.html
Question 2
2.
Graph the following stars .try using the same color if possible
visibility
View drawing
Question 3
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Question 4
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Question 5
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Question 6
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Question 9
9.
what are the 4 main groups of stars mentioned on Hr diagram.
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What color is the hottest star?
Red
Blue
White
Yellow
What color is the coolest star?
Red
Blue
White
Yellow
which star is the brightest star? ________
Sun
Ross
Mintaka
Apac 617
which star is the dimmist star? ________
Sun
Ross
Mintaka
Apac 617
Question 7
7.
Question 8
8.
Question 10
10.
Question 11
11.
Question 12
12.
. Which star is the brightest white dwarf?
Question 13
13.
Which star is the hottest Giants
Question 14
14.
What color is Polaris (the North Star)
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
What information is plotted on the Y axis of the diagram?
Luminosity/Brightness
Temperature
What information is plotted on the vertical X axis of the diagram?
Luminosity/Brightness
Temperature
The sun is a medium size star ,it is part of ________________
Main sequence
Giants
Super giants
White dwarf
Most stars belong to this category:__
white dwarfs
Giants
supergiants
main sequence
What temperature is Sirius B
20,000
10,000
What category is hot, but not very bright?
Giants
super Giants
White Dwarfs
Main Sequence
Which category is the sun?
Giants
super Giants
White Dwarfs
Main Sequence
Which category contains cold stars with brightness from 1 to 10
2
Giants
super Giants
White Dwarfs
Main Sequence
Which star is the brightest supergiant?
Deneb
Betelgeuse
