what color are stars?

Answer 1

Black Dwarfs
Black dwarf stars are stars that we aren't even positive really exist in the universe, but computer simulations tell us will probably exist many billions of years from now. Black dwarfs are so old that they have burned up all of their hydrogen fuel and as a result are completely dark and cold. Computer simulations have told us that it would take longer for this to happen than the universe has existed.

Brown Dwarfs
Brown dwarf stars are stars in the technical sense, but they have so little mass that nuclear fusion is not occurring at their core. It is a lot like a car that won't quite start. Brown dwarfs can occur either when the cloud that the star came from isn't quite big enough to get nuclear fusion started or they can happen when a star dies.

Red Dwarfs
Red dwarf stars are the most common stars in the universe. They are very small, much smaller than the Sun and are very cool relative to other stars. A red dwarf star appear at the lower right of the H-R Diagram. Since red dwarf stars burn their hydrogen fuel at such a slow rate, they can live for many billions, or even trillions, of years.

Yellow Dwarfs
Yellow dwarfs are moderately bright, medium-sized main sequence stars that are very common in the universe. Our Sun is a yellow dwarf star. Yellow dwarf stars live for about ten billion years and then die by swelling up into red giants and then collapsing into white dwarfs.

White Dwarfs
White dwarf stars are formed when a star dies. They are what is left over after a star has collapsed onto itself. They are much hotter than the other dwarf stars. Our Sun will become a white dwarf when it dies billions of years from now.

Red Giants
Red giant stars are very large, but relatively cool, stars that are created when a medium-sized star, like our Sun dies. When a mid-sized star dies, it swells up tremendously in size and cools off before it finally collapses into a white dwarf star.

Red Supergiants
Red supergiant stars, like Antares in the constellation Scorpius are the most massive stars in the universe. They are many hundreds of time larger than our Sun and are formed when a very massive star begins to die. Red supergiant stars die in a very spectacular explosion called a supernova and then finally collapse into a neutron star or a black hole.

Answer 2

Stars come in various colors. This is attributed to their distance from their viewer, surface temperature, and possibly something that may distort it. For example, Stars that are moving away from the Earth may be blue, because of the Doppler Shift. Others may be red, because the surface is relatively cool. Some stars may be surrounded by clouds of gas, which can absorb certain shades of light / color. Also, stars can burn different colors pending on what gases they are made of. For example, Red Stars burn red because they are made of Hydrogen.

Answer 3

Stars come in many colours, in fact all colours except green. Blue stars are very hot, white stars cooler, yellow, orange and red cooler still. These colours are readily visible in any telescope, and the colours of some of the brightest stars are visible to the naked eye. For example, in Orion, Betelgeuse in the upper left corner is obviously orange red while Rigel in the lower right corner is blue white.

Answer 4

the color of a star determines the temperature red-cool, yellow-cool/warm, white-warm/hot , blue-hot. Like for example- our sun is a yellow star- so it is cool/warm. You can go to ask.com and type in the Hertzsprung-Russel Diagram- it is a chart that shows the different colors and temperatures of stars. Hope that helps!

Answer 5

the color of stars can be red, red orange, yellow, blue and white. based on heat and the elements they contain

Answer 6

many colors. Red, Yellow, Blue, White, Purple...

Answer 7

most stars actually give off all colors of light so they mostly appear white when viewed from very far away, with some blue and red depending on if they are moving toward us or away from us (doppler effect).

stars can actually be several colors as well as sizes when viewed up close or through a powerful enough telescope.

the sun for instance is a yellow dwarf named for its color and the fact that it is smaller than a typical star.

stars can also be red, white, or blue (very patriotic of them, don't you think).

stars also give off electro-magnetic waves in spectrums outside of the visible spectrum. the heat alone allows them to emit infrared which is how heat travels from the sun to the planets. of course there is also ultraviolet light which is what gives sunburns. other stars can give off light in the spectrum of radio waves or even x-rays. when they die, they can give off huge bursts of gamma rays if the death is violent enough that make them quite deadly to anylife in surrounding solar systems.

Answer 8

really stars can all different colors. the hottest ones are blue and the less hot ones are yellow, orange and red. but from earth they all look white because they are soo far away except for the sun which we are closest too. the sun is not one of the hotter stars which is why we see it as a yellow/orange color.

Answer 9

Many colors, depending on the TYPE of sun the star is:

"A good many of the summer luminaries ? such as brilliant Vega which stands nearly overhead during the late-evening hours ? are bluish-white, but we can easily find other, contrasting colors there as well. Look at reddish Antares, and the yellowish-white Altair."

And they ARE visible to us that way:
"A small telescope or even a pair of steadily held binoculars, will readily split Albireo into two tiny points of light of beautiful contrasting colors: the brighter one a rich yellowish-orange, the other a deep azure blue, both placed very close together. An absolutely stunning view will come with a telescope magnifying between 18 and 30 power. "

http://www.space.com/spacewatch/040730_star_colors.html

Answer 10

Depends on the star. And the different wavelengths the observer is capable of seeing. Lots are yellow and white, with some red and blue, and then less of the other colours.