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How can two supergiant stars have an absolute magnitude of -3 but one has a radius of 10 times the sun and the other 100 times the sun?
The absolute magnitude of a star depends on the size and temperature; a large cooler star can generate as much light as a small very hot star.
What the relationship between magnitude and size of the star?
The brightness of a star depends on its temperature, size and distance from the earth. The measure of a star's brightness is called its magnitude. Bright stars are first magnitude stars. Second magnitude stars are dimmer. The larger the magnitude number, the dimmer is the star.The magnitude of stars may be apparent or absolute.
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.
How bright is Rigel?
Rigel is the brightest star in the constellation Orion.It has an apparent magnitude of 0.18 and an absolute magnitude of -6.7
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.
As shown in a Hertzsprung-Russel diagram the main-sequence stars are defined according to their?
Absolute magnitude and surface temperature
What graph shows the relationship of a stars absolute magnitude and its temperature?
Its called an HR diagram or a Hertzsprung-Russell diagram.
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.
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.
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.
