Stars in the universe vary in size, luminosity, and temperature. The Hertzsprung-Russell diagram helps astronomers categorize the stars.
blue giants
1,000,000
red supergiants
10,000
100
Standard of Comparison
Sun = Luminosity Value of 1
red giants
1
main sequence
Sun
1/100
ОО
white dwarfs
1/10,000
main sequence
40,000
20,000
10,000
5,000
2,500
Temperature (K)
Answers: 2
Another question on Physics
Physics, 21.06.2019 16:00
Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.
Answers: 2
Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
Answers: 2
Physics, 22.06.2019 22:00
Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane
Answers: 1
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
You know the right answer?
Stars in the universe vary in size, luminosity, and temperature. The Hertzsprung-Russell diagram hel...
Questions
Spanish, 21.04.2020 23:52
Mathematics, 21.04.2020 23:52
Mathematics, 21.04.2020 23:52
Business, 21.04.2020 23:52
Mathematics, 21.04.2020 23:52
Mathematics, 21.04.2020 23:53
Computers and Technology, 21.04.2020 23:53
Mathematics, 21.04.2020 23:53
Biology, 21.04.2020 23:53
Mathematics, 21.04.2020 23:53
