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The absolute magnitude of a start will increase both:* If its surface temperature increases, and
* If its diameter increases.
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∙ 6y ago
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As shown in a Hertzsprung-Russel diagram the main-sequence stars are defined according to their?
Absolute magnitude and surface temperature
What are two ways to describe a stars brightness?
Apparent magnitude and absolute magnitude.
What do you call the real brightness of the stars?
The term is "absolute magnitude".
What is the actual amount of light a star gives off called?
It is actually absolute magnitude, opposed to apparent magnitude which is how much light stars appear to give off.
Which stars always have large positive absolute magnitude?
Does it mean that the star is a main sequesnce star? ( . Y . ) The above isn't true. A star can be a blue supergiant and be on the main sequence but still not be even visible to us, therefore the apparent and absolute magnitude wouldn't be the same. But to answer your question, I don't think it has a name, it just means that you are seeing the star's absolute and apparent magnitude at the same time, so if you placed the star at 32.6 light years away(the absolute magnitude scale)then the star would not appear to change in brightness
What is true about the absolute magnitude and temperature of supergiant stars?
Absolute magnitude: they are extremely bright. Temperature: their surface temperature is fairly low.
What is a graph that shows the relatonship between stars surface temperature and its absolute magnitude?
That is called the Hertzsprung-Russell or HR diagram and each star occupies a point. The horizontal axis is temperature and the vertical axis is the absolute magnitude.
What are stars with low magnitude low temperature and low absolute magnitude?
This probably refers to red dwarves. The apparent magnitude depends on the distance, as well as the absolute magnitude, but even the closest red dwarves can't be seen with the naked eye.
What is the absolute magnitude of the constellation scorpius?
Constellations don't have an absolute magnitude. That is a property of individual stars.
What graph shows the relationship of a stars absolute magnitude and its temperature?
Its called an HR diagram or a Hertzsprung-Russell diagram.
As shown in a Hertzsprung-Russel diagram the main-sequence stars are defined according to their?
Absolute magnitude and surface temperature
The distances to nearby stars can be measured by using . a. absolute magnitude c. color b. temperature d. parallax?
preallax
As shown in a H-R diagram the main-sequence stars are defined according to their?
They are defined by their absolute magnitude and surface temperature.
Why is the absolute magnitude of some stars greatar than their apparent magnitude?
The question is: Why is the apparent magnitude of some stars less than their absolute magnitude. Or: Why do some stars not look as bright as they really are ? The answer is: Because they're so far away from us.
Explain why size is the only factor that determines the stars absolute magnitude?
The absolute magnitude is a measure of the star's luminosity hence the smaller the size the less the absolute magnitude.
What is the magnitude of a star if all stars were the same distance from earth?
Absolute magnitude
What are two ways to describe a stars brightness?
Apparent magnitude and absolute magnitude.
