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Stellar Classification
Page 2
Questions (125)
Why are spectral lines useful in classifying stars?(1 point)
Responses They show the composition of a star. They show the
11 answers
asked anonymously
92 views
Chaya analyzes the data for two stars. Both stars are the same color, but the first star has an absolute brightness greater than
1 answer
asked by
Ali
134 views
Chaya analyzes the data for two stars. Both stars are the same color, but the first star has an absolute brightness greater than
1 answer
asked by
Ali
101 views
A___ mass star.
1 answer
asked by
brooklyn
54 views
Astronomers classify stars according to their brightness by assigning them a stellar “magnitude.” The higher the magnitude
1 answer
asked by
Michele
333 views
According to the HR star diagram name is star that is a blue super giant which has a luminosity of 10 five and a temperature
1 answer
asked by
Jacqueline
244 views
According to the HR star diagram what is a star that is hotter and more massive than our sun
1 answer
asked by
Jacqueline
191 views
Giants and dwarfs are believed to be _________ stars.
a) old b) young Please help!
5 answers
asked by
turtles♥are♥cute♥
1,159 views
red super giant
3 answers
asked by
treyour-_-him
28 views
What color will a star be with a surface temperature of 5000–6000 K?
A. blue B. yellow C. white my choice is B yellow
4 answers
asked by
Emi
571 views
When classifying stars, which color represents the star with the highest temperature?
2 answers
asked by
Anonymous
587 views
Black dwarf Black hole Energy Gravity
Helium High Iron Iron Low Main sequence Matter Nebula Neutron star Nuclear Protostars Red
1 answer
asked by
brooklyn
88 views
How many 0.75 -M main sequence stars would it take to equal the luminosity of one 15 -M star?
4 answers
asked by
Katrell
377 views
Why do extremely cold stars look fainter than we might expect from their luminosities and distances?
1 answer
asked by
Katrell
380 views
(a) From the absorption lines, we were able to determine that the star (phi)-Fictus has spectral classification F7V and color
3 answers
asked by
O_o Rion
463 views
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
2 answers
asked by
Tyler
655 views
There are a lot more M2V stars than M2Ib stars.
True False http://en.wikipedia.org/wiki/Stellar_classification
1 answer
asked by
Liz
484 views
M type stars usually have some molecular lines, such as TiO, well in their spectra.
True or False TRUE
1 answer
asked by
Liz
439 views
The Sun's complete spectral type is what?
The sun is a G2V type star. The G2 denotes spectral type and the V denotes a dwarf star
1 answer
asked by
Liz
635 views
The supergiant star Alnitak is one of the hottest stars identified by astronomers. What color must it be?
(1 point) red blue
1 answer
asked by
Blue
28 views
What does an astronomer know about a star if they know its classification in the Morgan-Keenan Spectral Classification system?
(1
1 answer
asked by
Blue
52 views
A white dwarf is located in the lower left of the H-R diagram. From this information
alone, you can determine that it is very
1 answer
asked anonymously
43 views
How do the temperatures and luminosities of giants and supergiants compare to temperatures and luminosities of main sequence
1 answer
asked by
Mark
42 views
which group is the sun in
Supergiants Main Sequence White Dwarfs Giants
1 answer
asked anonymously
30 views
why is a blue star cuz of temperatuure or location
2 answers
asked by
aa
794 views
Which is hotter - a red star or a blue star? Why?
I know it's the blue star, but I don't know why...
2 answers
asked by
:]
786 views
what would be the absolute magnitude and color of a main sequence star with a temperature of 25,000 kelvin?
HELP!
1 answer
asked by
Paula
701 views
what are the largest stars in the HR diagram called?
2 answers
asked by
Hannah
581 views
According to the HR diagram, the best description of the Sun is
According to the HR diagram, the best description of the Sun is a
1 answer
asked anonymously
41 views
Using the HR diagram below, how would a star that is less luminous than the Sun, with a temperature lower than 3000K be
4 answers
asked anonymously
38 views
According to the HR diagram, the best description of the Sun is
According to the HR diagram, the best description of the Sun is a
4 answers
asked anonymously
35 views
Using the HR diagram below, how would a star that is less luminous than the Sun, with a temperature lower than 3000K be
1 answer
asked anonymously
30 views
The Hertzsprung-Russell diagram shows how the sun is classified among the stars.
A star that is several thousand times brighter
1 answer
asked by
llc
66 views
Which of the following descriptions accurately describes our Sun?
Which of the following descriptions accurately describes our
1 answer
asked by
llc
38 views
Which of the following descriptions accurately describes our Sun?
Which of the following descriptions accurately describes our
1 answer
asked anonymously
41 views
What is the difference between apparent and absolute magnitude
2 answers
asked by
gamer65
505 views
What characteristics are common in main sequence stars
1 answer
asked by
Anonymous
462 views
On the H-R diagram, red supergiants like Betelguese lie where?
1 answer
asked by
Shannon
456 views
what color are the coolest stars in the galaxy
4 answers
asked by
kristin
434 views
If a star has an absolute magnitude of 0 and a temperature of 4,500 K, what spectral class is it classified under?(1 point)
Respo
1 answer
asked anonymously
160 views
A graph illustrates the relationship between the luminosity (Sun = 1), ranging from 0.0001 to 10000, and temperature in Kelvin,
3 answers
asked anonymously
27 views
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 answer
asked anonymously
77 views
which type of star has an absolute magnitude of 10 and a temperature of 15,000 K
1 answer
asked anonymously
132 views
Which show the stars in the correct order, from lowest luminosity to highest luminosity?(1 point)
Responses Sun, white dwarf, red
1 answer
asked anonymously
58 views
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
1 answer
asked anonymously
31 views
Semester A Review Practice
1 of 331 of 33 Items Question Use the diagram to answer the question. A graph illustrates the
1 answer
asked anonymously
46 views
The spectral classes of four stars are shown in comparison with a Hertzsprung-Russell diagram.
Based on the information, which
1 answer
asked anonymously
38 views
Which of the following correctly describes stars found in the halo of the galaxy?
Group of answer choices old with low
1 answer
asked anonymously
25 views
Which show the stars in the correct order, from lowest luminosity to highest luminosity?(1 point)
Responses red supergiant, Sun,
1 answer
asked by
Josie
48 views
Which stars can be classified in spectral class A? Select all two correct answers.
(1 point) Red supergiants with a temperature
1 answer
asked anonymously
50 views
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Parent Categories (2)
Astronomy
Stars