Color of Stars
What is the color of an average star?
red,orange, yellow, blue, or white
What color are high temperature stars?
Blue
How does a radius of a star relate to the luminosity?
The larger the radius the brighter the star will be.
What's the minimum size a massive star can be?
8 solar masses
What color are supernovas?
red to blue
What color are low temperature stars?
Red
What factors affect the luminosity of a star?
As the star size increases, luminosity increases
How large is the average main sequence star?
0.9 - 1.1 solar masses
What color are neutron stars?
blue and or dim blue
What is temperature of stars determined by?
Wein's displacement law
What is the relationship between luminosity and star diameter?
The larger the star, the more energy it puts out
How wide can a red giant be in miles?
62 million - 620 million miles
How do colors represent the stars heat?
red,orange and yellow stars tend to be normal or cooler while blue and white tend to be hotter
A blue star is _____ than a red one.
Hotter
What determines the luminosity of a star?
Temperature and size of star
How wide is a neutron star in miles?
12 - 13 miles
What is the color based off of?
The colors are based off of the heat/temperature of the star
Does luminosity affect temperature?
Luminosity is dependent on temperature but the temperature of stars doesn't depend on luminosity.
Does luminosity depend on distance?
The difference between luminosity and apparent brightness depends on distance
How wide is a protostar nebula?
1.2 light years