Ask a new Stellar Classification question. Multiple AIs will answer your question.

Newest Stellar Classification Questions

1. which piece of spectral data is necessary to determine the spectral class of a star?
   1. 1 answer
   2. 132 views
2. State which type of star (Red Giant, Blue Giant, or Main Sequence Star) would the Mystery Star be that you identified for
   1. 1 answer
   2. 60 views
3. Why are spectral lines useful in classifying stars?(1 point)Responses They show a star's location. They show a star's location.
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   2. 42 views
4. Hertzsprung-Russell DiagramTemperature 25,000 10,000 6,000 3,000 Luminosity 10-⁴ 10-² 1 10² 10⁴ 10⁶ hot bright cool, dim
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   2. asked by Dino cat
   3. 44 views
5. Label the characteristics of the stars in each area of the Hertzsprung-Russell diagram. Move one correct answer to each box. (1
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   2. 50 views
6. what would you say the characteristics of the stars in each corner of the Hertzsprung-Russell diagram would be?Top left,bottom
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   2. asked by Alto Saxaphone
   3. 54 views
7. Are Super giants are hot, bright cool, bright cool, dim hot, dim
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   2. asked by Nugget
   3. 43 views
8. are supergiants cool and bright or cool and dim
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   2. 22 views
9. Label the characteristics of the stars in each area of the Hertzsprung-Russell diagram. Move one correct answer to each box. (1
   1. 3 answers
   2. 46 views
10. The best way to describe the Sun in comparison to other stars would be what?
    1. 1 answer
    2. asked by Ame
    3. 26 views
11. why are special lines useful in classifying stars?a. they indicate a star's age.. b. they show the composition of a star. c.
    1. 1 answer
    2. 45 views
12. Which piece of spectral data is necessary to determine the spectral class of a star?(1 point) Responses luminosity luminosity
    1. 1 answer
    2. asked by Credance (Dark Sonic)
    3. 32 views
13. Which spectrum class does a star fit into if it has a surface temperature of 20,000 K
    1. 1 answer
    2. 18 views
14. Which piece of spectrum data is necessary to determine the spectral class of a star
    1. 1 answer
    2. 31 views
15. what type of star is in spectral class K and has a luminosity of 10^6A. White Dwarf B. Red Giant C. Red Supergiant D. Blue Giant
    1. 1 answer
    2. 59 views
16. Why are spectral lines useful in classifying stars?(1 point)Responses They show the layers that make up a star. They show the
    1. 1 answer
    2. 34 views
17. Why are spectral lines useful in classifying stars? (1 point)They show a star's location. They show the layers that make up a
    1. 1 answer
    2. 59 views
18. Use the diagram to answer the question.A graph illustrates the relationship between the luminosity (Sun = 1), ranging from
    1. 11 answers
    2. asked by NOn
    3. 59 views
19. Why are spectral lines useful in classifying stars?(1 point)Responses They indicate a star's age. They indicate a star's age.
    1. 1 answer
    2. 50 views
20. Use the graph below to classify each of the stars described by temperature, luminosity, and magnitude. You will use the graph to
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    2. 48 views
21. What type of star has an absolute brightness of 1 and a surface temperature around 15,000 K?The HR diagram is shown with
    1. 1 answer
    2. 67 views
22. The table below compiles information about the distance of various stars from Earth, their apparent magnitude, and their
    1. 1 answer
    2. asked by qr3ty
    3. 84 views
23. The Hertzsprung-Russell diagram shown is divided into four sections. Click into the quadrant that includes the brightest,
    1. 1 answer
    2. asked by silent
    3. 61 views
24. A Hertzsprung-Russell (H-R) diagram is shown.A star that has a luminosity of 102 and a temperature of 5,000 K is most likely a -
    1. 1 answer
    2. asked by silent
    3. 64 views
25. Part 1: Describe the mass and surface temperature of the main sequence stars.Part 2: Explain using complete sentences where on
    1. 1 answer
    2. asked by Vaaainnn
    3. 134 views
26. Suppose that the volumes of four stars in the Milky Way are 2.7 × 10^18 km^3, 6.9 × 10^12 km^3, 2.2 × 10^12 km^3, and 4.9 ×
    1. 1 answer
    2. 71 views
27. Which show the stars in the correct order, from lowest luminosity to highest luminosity?(1 point)Responses Sun, white dwarf, red
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    2. 115 views
28. Which one of these statements is true of the brightest stars?(1 point) ResponsesThey are yellow stars. Several are white dwarfs.
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    2. 110 views
29. hich stars can be classified in spectral class A? Select all two correct answers.(1 point) Responses Red giants with an absolute
    1. 1 answer
    2. 76 views
30. Which show the stars in the correct order, from lowest luminosity to highest luminosity?(1 point) Responses Sun, white dwarf,
    1. 1 answer
    2. 77 views
31. Which stars can be classified in spectral class A? Select all two correct answers.(1 point) Red supergiants with a temperature
    1. 1 answer
    2. 99 views
32. Which show the stars in the correct order, from lowest luminosity to highest luminosity?(1 point)Responses red supergiant, Sun,
    1. 1 answer
    2. asked by Josie
    3. 134 views
33. Which of the following correctly describes stars found in the halo of the galaxy?Group of answer choices old with low
    1. 1 answer
    2. 55 views
34. The spectral classes of four stars are shown in comparison with a Hertzsprung-Russell diagram.Based on the information, which
    1. 1 answer
    2. 97 views
35. f a star has an absolute magnitude of 0 and a temperature of 4,500 K, what spectral class is it classified under?(1 point)Respon
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    2. 72 views
36. Which show the stars in the correct order, from lowest luminosity to highest luminosity?(1 point)Responses Sun, white dwarf, red
    1. 1 answer
    2. 134 views
37. which type of star has an absolute magnitude of 10 and a temperature of 15,000 K
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    2. 204 views
38. If a star has an absolute magnitude of 0 and a temperature of 4,500 K, what spectral class is it classified. O, B, A, F, G, K, M
    1. 1 answer
    2. 132 views
39. A graph illustrates the relationship between the luminosity (Sun = 1), ranging from 0.0001 to 10000, and temperature in Kelvin,
    1. 3 answers
    2. 77 views
40. The Hertzsprung-Russell diagram shows how the sun is classified among the stars.A star that is several thousand times brighter
    1. 1 answer
    2. asked by llc
    3. 159 views
41. Using the HR diagram below, how would a star that is less luminous than the Sun, with a temperature lower than 3000K be
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    2. 78 views
42. According to the HR diagram, the best description of the Sun isAccording to the HR diagram, the best description of the Sun is a
    1. 3 answers
    2. 86 views
43. Using the HR diagram below, how would a star that is less luminous than the Sun, with a temperature lower than 3000K be
    1. 3 answers
    2. 89 views
44. According to the HR diagram, the best description of the Sun isAccording to the HR diagram, the best description of the Sun is a
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    2. 83 views
45. which group is the sun inSupergiants Main Sequence White Dwarfs Giants
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    2. 76 views
46. A white dwarf is located in the lower left of the H-R diagram. From this informationalone, you can determine that it is very
    1. 1 answer
    2. 101 views
47. How do the temperatures and luminosities of giants and supergiants compare to temperatures and luminosities of main sequence
    1. 1 answer
    2. asked by Mark
    3. 119 views
48. What does an astronomer know about a star if they know its classification in the Morgan-Keenan Spectral Classification system?(1
    1. 1 answer
    2. asked by Blue
    3. 132 views
49. Using the HR diagram, what type of star is low mass but hot?
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    2. asked by dfnajhsdjfjasf
    3. 88 views
50. 24. The first pair of stars in Capella are type G-giant stars. Using the table above, what spectral features do these stars NOT
    1. 17 answers
    2. asked by anon.!
    3. 201 views
51. Why are spectral lines useful in classifying stars?(1 point)Responses They show the composition of a star. They show the
    1. 11 answers
    2. 170 views
52. What kind of star is Luyten's star? *1 point red dwarf red giant white dwarf neutron star
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    2. asked by wiggle
    3. 140 views
53. Based on the H-R Diagram, white dwarf stars are not as bright as our sun but their temperature is ________. (HINT: Reset show's
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    2. asked by wiggle
    3. 184 views
54. n which spectral class does a main sequence star with a temperature of 3,000 Kelvin belong?(1 point) Responses K K F F G G M
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    2. 164 views
55. Why are spectral lines useful in classifying stars?They indicate a star's age They show the composition of a star They show a
    1. 6 answers
    2. asked by Connexus Student
    3. 277 views
56. How is the sun classified on an Hertzsprung-Russell Diagram?(1 point)Responses as a giant star as a giant star as a supergiant
    1. 11 answers
    2. asked by BayMax
    3. 243 views
57. Which statement correctly explains how the Hertzsprung-Russell diagram helps to compare stars?(1 pointStars with the highest
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    2. 165 views
58. Why are spectral lines useful in classifying stars?(1 point)Responses They show the composition of a star. They show the
    1. 1 answer
    2. 140 views
59. Use the diagram to answer the question.The Hertzsprung-Russell Diagram shows the spectral class of stars across the top, the
    1. 1 answer
    2. asked by kitty face
    3. 209 views
60. Use the diagram to answer the question.The Hertzsprung-Russell Diagram shows the spectral class of stars across the top, the
    1. 1 answer
    2. asked by kitty face
    3. 244 views
61. How is the sun classified on an Hertzsprung-Russell Diagram?(1 point)Responses A. as a giant star B. as a main sequence star C.
    1. 1 answer
    2. asked by wiggle
    3. 316 views
62. How is the sun classified on an Hertzsprung-Russell Diagram?As a main sequence star As a white dwarf star As a supergiant star
    1. 1 answer
    2. asked by Connexus Student
    3. 267 views
63. how is the sun classified on an hertzsprung russell diagramas a main sequence star as a supergiant star as a giant star as a
    1. 1 answer
    2. 252 views
64. How is the Sun classified?as a giant star as a medium star as a white dwarf as a neutron star
    1. 1 answer
    2. asked by alley cat
    3. 228 views
65. Massive stars on the main sequence tend to be either blue or white in color. What does this color tell us about these stars?A.
    1. 7 answers
    2. 242 views
66. Chaya analyzes the data for two stars. Both stars are the same color, but the first star has an absolute brightness greater than
    1. 1 answer
    2. asked by Ali
    3. 230 views
67. Chaya analyzes the data for two stars. Both stars are the same color, but the first star has an absolute brightness greater than
    1. 1 answer
    2. asked by Ali
    3. 186 views
68. Which spectral class does a star fit into if it has a surface temperature of 20,000k
    1. 1 answer
    2. asked by Fred
    3. 208 views
69. Which is most useful in classifying stars?(1 point)
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    2. asked by P.S
    3. 240 views
70. Use the diagram to answer the question in which spectral class does a white dwarf with a temperature of 10,000 cable long
    1. 1 answer
    2. asked by Ben
    3. 282 views
71. Which spectral class does a star fit into if it has a surface temperature of 20,000 K?
    1. 2 answers
    2. asked by Jinny
    3. 896 views
72. Astronomers classify stars according to their brightness by assigning them a stellar “magnitude.” The higher the magnitude
    1. 1 answer
    2. asked by Michele
    3. 437 views
73. Which type of star is in spectral class K and has a luminosity of 10^6
    1. 3 answers
    2. asked by alex ;w;
    3. 2,630 views
74. Which shows the stars in the correct order, from smallest in size to largest?(1 point)white dwarf, red supergiant, Sun Sun, red
    1. 1 answer
    2. asked by Neko
    3. 5,285 views
75. Given the following images, choose the one that most likely represents an O-class star.Star A is a yellow star. Star B is a blue
    1. 2 answers
    2. asked by Oscar
    3. 4,548 views
76. An H-R diagram?Answer Are Is a map of the position of the stars Graphs stars according to their size and distance List every
    1. 1 answer
    2. asked by snow
    3. 1,454 views
77. what would be the absolute magnitude and color of a main sequence star with a temperature of 25,000 kelvin?HELP!
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    2. asked by Paula
    3. 802 views
78. what are the largest stars in the HR diagram called?
    1. 1 answer
    2. asked by Hannah
    3. 673 views
79. On the H-R diagram, red supergiants like Betelguese lie where?
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    2. asked by Shannon
    3. 544 views
80. How many 0.75 -M main sequence stars would it take to equal the luminosity of one 15 -M star?
    1. 3 answers
    2. asked by Katrell
    3. 465 views
81. Why do extremely cold stars look fainter than we might expect from their luminosities and distances?
    1. 1 answer
    2. asked by Katrell
    3. 477 views
82. (a) From the absorption lines, we were able to determine that the star (phi)-Fictus has spectral classification F7V and color
    1. 2 answers
    2. asked by O_o Rion
    3. 548 views
83. ON WHAt part of the HR diagram would the majority of the main-sequence stars be found?Is that the far corners or middle? There's
    1. 1 answer
    2. asked by Tyler
    3. 745 views
84. Do I have these correct according to the H-R Diagram?Hot (blue stars) are on the left side of the modern H-R diagram bright
    1. 2 answers
    2. asked by Tyler
    3. 885 views
85. There are a lot more M2V stars than M2Ib stars.True False http://en.wikipedia.org/wiki/Stellar_classification
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    2. asked by Liz
    3. 569 views
86. In general, the narrower the spectral line of a starA.the hotter the star is B.the bigger the star is C.the denser the star is
    1. 0 answers
    2. asked by Liz
    3. 1,017 views