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en.wikipedia.org/wiki/Stellar_classification

In astronomy, stellar classification is the classification of stars based on their spectral ... This means that the simplified assignment of colors of the spectrum can be ... A0 denotes the hottest stars in the A class and A9 denotes the coolest ones. ...... OB Stars: An Investigation of the Space Distribution of Certain OB Stars and the ...

en.wikipedia.org/wiki/Red_dwarf

A red dwarf is a small and relatively cool star on the main sequence, of either K or M spectral ..... "An analysis of the space motions of red dwarf stars". Astronomical Journal. 61: 228. Bibcode:1956AJ.....61..228D. doi:10.1086/107332. Jump up ^ Mumford ...

www.reference.com/science/color-coolest-star-d50968a1a32e1286

The coolest stars are red in color. A star's color gives visible information about its surface temperature. The hottest stars are blue, while white and yellow stars ...

www.astronomy.com/news-observing/news/2010/01/astronomers%20discover%20cool%20stars%20in%20nearby%20space

Jan 29, 2010 ... Astronomers discover cool stars in nearby space. The object, known as SDSS 1416+13B, is a brown dwarf with peculiar colors. Provided by the ...

www.universetoday.com/24596/what-is-the-hottest-star

May 4, 2017 ... Stars can range in temperature, from the relatively cool red dwarfs to superhot blue stars. ... The color of a star is a function of its temperature. ... Just for comparison, our Sun, which actually looks white from space, measures ...

www.webexhibits.org/causesofcolor/18B.html

A star's color is critical in identifying the star, because it tells us the star's ... of the star start to strip away from the star and expand out into space as a nebula.

www.quora.com/Why-are-blue-stars-the-hottest-stars-red-stars-the-coolest-stars-and-yellow-stars-like-the-Sun-in-between

Some illusions are so realistic that we mistake them for reality. After reading this answer I hope ... If you look at any visible star in the sky from space they all have all the colors in their spectrum. In other words, all stars are white. 3- Physicists ...

www.kidsastronomy.com/academy/lesson110_assignment2_7.htm

Star Color: Not all stars are the same color. ... These colors tell us the temperature of the star. The hotter a ... This means a hot star is blue and a cool star is red.

courses.lumenlearning.com/astronomy/chapter/colors-of-stars

Hubble Space Telescope image of the Sagittarius Star Cloud. ... On the other hand, cool stars emit most of their visible light energy at red wavelengths (with ...

socratic.org/questions/what-color-are-the-hottest-stars

Apr 3, 2016 ... The color of the hottest stars is blue. You can tell the temperature of a star by looking at its color. The coolest stars are red, then orange, then ...