Ineed your pls giving brainliest to who answer correctly
17. the hertzsprung-russell diagram...
![subject](/tpl/images/cats/biologiya.png)
Ineed your pls giving brainliest to who answer correctly
17. the hertzsprung-russell diagram below shows how the sun is classified among the stars. a star that is several thousand times brighter than the sun with a temperature lower than 4,000 k would be classified as *
a main-sequence star in spectral class b
a supergiant in spectral class k
a main-sequence star in spectral class k or m
a white dwarf in spectral class b
18. two stars are identified on the hertzsprung-russell diagram. based on the diagram below, how do the characteristics of star 1 and star 2 compare? *
star 1 is cooler and less bright than star 2.
star 1 is hotter and brighter than star 2.
star 1 is cooler and brighter than star 2.
star 1 is hotter and less bright than star 2.
19. a hertzsprung-russell diagram is shown below. based on this diagram, which type of stars would belong to spectral class m and have the highest luminosity? *
white dwarfs
main-sequence stars
giants
supergiants
20. barnard’s star is about 5.9 light-years from the sun. the star has an approximate temperature of 2,800 k. based on the diagram below, what spectral class does barnard’s star belong to? *
spectral class o
spectral class b
spectral class a
spectral class m
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:20, dusjxjxxb2964
Abanana plant produces rhizomes, which are involved in?
Answers: 3
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:20, AvantiA
Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:30, alexkrol10
Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 22:00, davidsouth444
Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?
Answers: 2
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 01:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/geografiya.png)
Geography, 04.07.2019 01:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 01:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 01:00
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 04.07.2019 01:00
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 01:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 01:00