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Stellar Classification
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Questions (125)
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
136 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
102 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
334 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♥
1,161 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
572 views
When classifying stars, which color represents the star with the highest temperature?
2 answers
asked by
Anonymous
591 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
380 views
Why do extremely cold stars look fainter than we might expect from their luminosities and distances?
1 answer
asked by
Katrell
381 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
466 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
485 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
440 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
637 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
53 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
46 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
31 views
why is a blue star cuz of temperatuure or location
2 answers
asked by
aa
796 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
:]
787 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
703 views
what are the largest stars in the HR diagram called?
2 answers
asked by
Hannah
582 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
507 views
What characteristics are common in main sequence stars
1 answer
asked by
Anonymous
464 views
On the H-R diagram, red supergiants like Betelguese lie where?
1 answer
asked by
Shannon
457 views
what color are the coolest stars in the galaxy
4 answers
asked by
kristin
436 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
161 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
29 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
78 views
which type of star has an absolute magnitude of 10 and a temperature of 15,000 K
1 answer
asked anonymously
136 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
59 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
49 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
51 views
Which shows the starts in the correct order, from smallest in size to largest?(1 point)
Responses white dwarf, red supergiant,
1 answer
asked by
HI!
25 views
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Parent Categories (2)
Astronomy
Stars