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A star's color tell us how old the star is and how hot the star is. A blue star is very hot and is young, a yellow star is cooler than blue, but hotter than red and is about half way through its lifetime, lastly a red start is cooler than yellow and blue and is near the end of it's life.
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Fabrigar, Lovely Joana Ymas.
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What do the color of the stars mean?
Star colors tell us how hot the star is. For example a red colored star is cool and a blue colored star is hot.
What does the size of the image of a star in a photograph tell us about the star?
depending on the color of its surrounding it makes it easier for scientists to see how old the star is how far it is and what might the star be catergized as.
How can you tell the temperature of a star?
by it's color
What temperature the star?
you can tell the temperature by its color
Can you tell the star closer to us?
The closest star to us is the sun.
Why a stars color and brightness is important?
A star's color tells us it's temperature, and indirectly, can tell us a lot about it's size. It's absolute brightness (as opposed to it's apparent brightness) also helps us define the star.
What color are the star on the curren us flag?
White.
What can the Doppler effect tell us about in astronomy?
It can tell us whether a star, or a galaxy, is moving towards us or away from us.
How can spectrum tell us if an object is reflecting blue light from a star?
how can you tell if an object is reflecting blue light from a star
How do you know if a star is at a different stage in its life cycle?
You can tell by its size and/or color.
What color of star is our Sun?
White - it defines white for us.
How do colors tell you about the temperature of a star?
The colder a star is the longer the light waves it emits. Light wavelength is what we perceive as color.
