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Is a blue star hot?
All stars are hot. Blue stars are the hottest.
What really is a blue star?
A blue star is a type of star that is hot, massive, and emits predominantly blue light. These stars have temperatures of around 10,000 to 40,000 degrees Celsius, causing them to appear blue in color. Blue stars are typically young and have short lifespans compared to other types of 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
What color star is hotter a red star of a blue star?
A blue star is hotter than a red star. Blue stars have higher surface temperatures, typically exceeding 10,000 Kelvin, while red stars have lower surface temperatures, usually below 4,000 Kelvin. The color of a star is an indication of its temperature, with blue stars being the hottest and red stars being the coolest.
What can be said with certainty about a red star and a blue star?
A red star is cooler and has a lower temperature compared to a blue star, which is hotter. Red stars are typically older, while blue stars are younger. The color of a star is determined by its surface temperature, so these differences in characteristics between red and blue stars are consistent.
Is a blue star hot?
All stars are hot. Blue stars are the hottest.
What really is a blue star?
A blue star is a type of star that is hot, massive, and emits predominantly blue light. These stars have temperatures of around 10,000 to 40,000 degrees Celsius, causing them to appear blue in color. Blue stars are typically young and have short lifespans compared to other types of 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
What color star is hotter a red star of a blue star?
A blue star is hotter than a red star. Blue stars have higher surface temperatures, typically exceeding 10,000 Kelvin, while red stars have lower surface temperatures, usually below 4,000 Kelvin. The color of a star is an indication of its temperature, with blue stars being the hottest and red stars being the coolest.
What can be said with certainty about a red star and a blue star?
A red star is cooler and has a lower temperature compared to a blue star, which is hotter. Red stars are typically older, while blue stars are younger. The color of a star is determined by its surface temperature, so these differences in characteristics between red and blue stars are consistent.
What is the name the hottest star?
blue stars are the hottest stars.
Why do stars turn blue?
Stars are blue because of their age and temperature. Blue is an indication of a young HOT star, when reddish color means the star is aging
What would an astonomer conclude if he or she observed that the spectrum of a star had shifted to the blue end?
The astronomer would conclude that the star is moving towards Earth. This blue shift indicates that the wavelengths of light from the star are getting shorter, which occurs as an object moves closer to the observer.
Which one of the star is hottest?
If you mean "What is the hottest star". The hottest stars are the blue stars. A star appears blue once its surface temperature gets above 10,000 Kelvin, or so, a star will appear blue to our eyes. So the hottest stars in the Universe are going to be a blue star, and we know they're going to be massive.
Is a blue star called a blue dwarf?
No. A blue dwarf is a theoretical class of star. The known blue stars are not blue dwarfs.
Which star is the brightest red or blue why?
The brightest stars are typically blue because they are hotter and emit more light compared to red stars. Blue stars have higher surface temperatures, which causes them to shine brighter than red stars.
What color is an O star?
An O star is typically blue in color, and is one of the hottest types of stars with surface temperatures exceeding 30,000 K. The color of a star is a result of its temperature, with hotter stars appearing blue and cooler stars appearing red.
