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What star is more massive than our Sun but has a lower surface temperature?
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Suppose there are two stars A and B with the same luminosity. If star A is larger then star B then we can conclude that?
A The temperature of star B is lower B The temperature of star A is lower C Star A is more massive D Star B is more massive E Not enough information to conclude anything
Would the sun be more luminous if it had the same surface temperature but were more massive?
Yes, it probably would because there would be more light coming off it.
Why is Betelgeuse cool but gives off massive amounts of light?
When talking about stars, "cool" is a relative term. Betelgeuse has a variable surface temperature of 5,200 to 6,100 degrees Fahrenheit. Such a temperature may seem extremely hot to us and is easily hot enough to emit bright light but it is fairly cool as stars go. The comparatively low temperature of Betelgeuse means that it gives off less light per square meter than a hotter star would, but it makes up for it with its massive size, more than 900 times the diameter of the sun. As massive size means a large surface are and thus a huge output of light.
Is there more gravity on Earth than on Jupiter?
The planet Uranus is more massive than the Earth and has a stronger gravitational field. So you could say that Uranus has more gravity.
Is the color at the star related to its size?
Generally, yes. For stars on the main sequence, meaning that they fuse hydrogen at their cores, mass, size, color, brightness, and temperature are all closely related. More massive stars are larger, brighter and hotter than less massive ones. The least massive stars are red. As you go to more massive stars color changes to orange, then yellow, then white, and finally to blue for the most massive stars.
Suppose there are two stars A and B with the same luminosity. If star A is larger then star B then we can conclude that?
A The temperature of star B is lower B The temperature of star A is lower C Star A is more massive D Star B is more massive E Not enough information to conclude anything
Would the sun be more luminous if it had the same surface temperature but were more massive?
Yes, it probably would because there would be more light coming off it.
Surface tension of water at different temperatures?
Surface tension of water decreases as temperature increases. At lower temperatures, water molecules are more closely packed, leading to stronger intermolecular forces and higher surface tension. As temperature rises, water molecules gain kinetic energy and move more freely, causing weaker intermolecuar attractions and lower surface tension.
Compared to less massive particles at the same temperature more massive particles?
Move more quickly.
Why is the temperature needed to freeze ocean water lower than the temperature needed to freeze the surface of a fresh lake?
The ocean is larger than a lake. Therefore, being larger it can absorb more heat. That is why a lower temperature is needed to freeze it.
Why is the temperature needed to freeze ocean water lower than the temperature to freeze the surface of a fresh water lake?
The ocean is larger than a lake. Therefore, being larger it can absorb more heat. That is why a lower temperature is needed to freeze it.
Why is the temperature needed to freeze ocean water lower than the temperature needed to freeze a surface of a fresh water lake?
The ocean is larger than a lake. Therefore, being larger it can absorb more heat. That is why a lower temperature is needed to freeze it.
How does changing a planet's albedo change a planet's temperature?
If you increase the albedo, more solar radiation will be reflected back into space and so the temperature will be lowered.
Does glass temperature effect a fingerprint?
Yes. The colder the surface temperature, the more clearer the fingerprint will be. The warmer the surface temperature, the less clear the fingerprint will be.
Is it true that the more the temperature is lower the more the bacteria will die?
The bacteria will not die at lower temperature but will slow down or stop the formation of more bacterias, therefore you but food in the refrigerator.
Statement correctly describes how the density and temperature of air are related?
Lower temperature air is more dense.
Is true about the temperature and density of air?
Lower temperature air is more dense.
