Alpha Centauri A,B & the Sun: What colour are they? __ What colour is Proxima Centauri? __ (Stars in between the two sizes are Orange.)

lpha Centauri A and B are both stars, and their colors can be determined based on their spectral types. Alpha Centauri A is a G-type star, which is similar to our Sun. G-type stars are often referred to as yellow stars because they emit light in the yellow part of the spectrum. Therefore, Alpha Centauri A is a yellow star.<br /><br />Alpha Centauri B is a K-type star, which is cooler than G-type stars. K-type stars are often referred to as orange stars because they emit light in the orange part of the spectrum. Therefore, Alpha Centauri B is an orange star.<br /><br />Proxima Centauri is a red dwarf star, which is a small, cool star that emits red light. Therefore, Proxima Centauri is a red star.<br /><br />In summary:<br />- Alpha Centauri A is a yellow star.<br />- Alpha Centauri B is an orange star.<br />- Proxima Centauri is a red star.