If the radius is larger, the surface will also be larger. As a functional dependency, you only need one - the radius, or the surface - whatever.
A star's luminosity is related to its radius and temperature through the Stefan-Boltzmann law, which states that luminosity (L) is proportional to the square of the radius (R) multiplied by the fourth power of its surface temperature (T): (L \propto R^2 T^4). This means that for two stars of the same temperature, a larger radius results in significantly greater luminosity. Conversely, for stars of similar size, a higher temperature will lead to increased luminosity. Thus, both radius and temperature are crucial in determining a star's luminosity.
Both the absorption and the luminosity of a blackbody in equilibrium increase in magnitude with increasing temperature, and the spectral distribution of the luminosity increases in frequency (decreases in wavelength).
The luminosity of a star is related to its temperature and size. Specifically, a star's luminosity increases with its surface temperature, following the Stefan-Boltzmann law, which states that the energy emitted per unit area is proportional to the fourth power of the temperature. Additionally, larger stars tend to have higher luminosities because they have more surface area from which to emit light and heat. Thus, both intrinsic properties of the star contribute to its overall brightness as observed from Earth.
In that case, both the star's diameter and its luminosity greatly increase.
Planet sizes are directly related to their surface gravity due to their mass and radius. Larger planets typically have greater mass, which increases their gravitational pull. However, if a planet is significantly larger but less dense, its surface gravity may not be as high as expected. Thus, surface gravity is influenced by both the planet's size (radius) and its density (mass per unit volume).
The bigger the star's radius, the greater its surface area which emits the light. The bigger the temperature, the more luminous is the light the star is emitting.
A star's luminosity is related to its radius and temperature through the Stefan-Boltzmann law, which states that luminosity (L) is proportional to the square of the radius (R) multiplied by the fourth power of its surface temperature (T): (L \propto R^2 T^4). This means that for two stars of the same temperature, a larger radius results in significantly greater luminosity. Conversely, for stars of similar size, a higher temperature will lead to increased luminosity. Thus, both radius and temperature are crucial in determining a star's luminosity.
As temperature decreases, luminosity will also decrease As radius increases (and with it surface area, but radius is a much easier to work with if you're trying to compare stars so we usually say radius) luminosity will also increase. If both are happening at the same time, it is possible that the luminosity of the star will remain more or less constant. Often one change will dominate the other, such as when a star goes through the red giant phase when the increase in radius has a far greater effect than the drop in temperature, and the star becomes more luminous.
The luminosity of a star is closely related to its size, with larger stars generally being more luminous than smaller ones. This relationship is partly explained by the star's surface area and temperature; a larger star has a greater surface area to radiate energy and often has a higher temperature, both of which contribute to increased luminosity. According to the Stefan-Boltzmann law, a star's luminosity is proportional to the fourth power of its temperature and the square of its radius, highlighting the significant impact of size on a star's brightness.
Both the absorption and the luminosity of a blackbody in equilibrium increase in magnitude with increasing temperature, and the spectral distribution of the luminosity increases in frequency (decreases in wavelength).
As gravity collapses the cloud to form a protostar, the temperature and luminosity both increase. The increase in temperature is due to the compression of material, causing the protostar to heat up as energy is released. The increase in luminosity is a result of the protostar radiating this energy.
Sirius A and Procyon A are two stars that have similar luminosity and surface temperature. They are both main-sequence stars and are relatively close to each other in terms of these characteristics.
If a star has a large luminosity and a low surface temperature, it must have a large surface area to compensate for the low temperature and still emit a high amount of energy. This would make the star a red supergiant, a type of star that is both luminous and cool at the same time.
Pi*6 * * * * * Independent of the radius? Makes no difference if the disc is twice as wide? I think not! It is actually 2*pi*r2 where r is the radius of the disc.
They both have the same effect on the surface area of the pipe, but the radius has more effect on its volume/capacity.
615.7522 square inches for 1 surface but it will be 1231.5044 for both surfaces
They both depend on circumference not perimeter.