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The hottest stars are white or blue, cooler stars are yellowish.
Cooler still are the orange stars. The coolest stars appear red.
That's how the spectrum of a star is related to its surface temperature.
The reason is that the hotter the star, the shorter the wavelength at which the light is most intense in its spectrum. Blue light is of shorter wavelength than red.
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What part of a star is it that astronomers study in order to learn its characteristics of a star?
Primarily, it's spectrum (it's light seen through a spectrograph).
Analysis of the of a star reveals the composition of the star?
That's done by analyzing the star's spectrum.
Can astronomers tell from the elements of a star what uts surface temperature is?
The temperature of a star is determined for it's colour spectrum. The hotter the star the more the spectrum is towards blue where as a cooler star has a spectrum closer to red.
The mass of a star can be determined by studying?
binary star systems
What is the continuous spectrum of a star?
A continous spectrum hasn't discrete gaps between lines.
What part of a star is it that astronomers study in order to learn its characteristics of a star?
Primarily, it's spectrum (it's light seen through a spectrograph).
Analysis of the of a star reveals the composition of the star?
That's done by analyzing the star's spectrum.
Can astronomers tell from the elements of a star what uts surface temperature is?
The temperature of a star is determined for it's colour spectrum. The hotter the star the more the spectrum is towards blue where as a cooler star has a spectrum closer to red.
What part of the star is responsible for the dark lines in its spectrum?
Atoms in the atmosphere of the star is responsible for the dark lines in its spectrum.
Does the spectrum of light from a star have no gaps?
No, a spectrum of light with no gaps can not be achieved.
How do scientists determine the element present in a star?
By the star's spectrum.
How do scientists determine the elements in a star since they cannot collect a sample from a star?
They analyze the star's spectrum. Each element produces characteristic lines in a spectrum.
The mass of a star can be determined by studying?
binary star systems
What does a star emits?
The spectrum is a kind of analysis of the light emitted by a star.
What can a stars spectrum tell astronomers about a star?
What elements the star is made of.
What is the continuous spectrum of a star?
A continous spectrum hasn't discrete gaps between lines.
The composition of a star can be identified by?
the lines in its spectrum
