One of the pleasures of stargazing is noticing and enjoying the various colors that stars display in dark skies. These hues offer direct visual evidence of how stellar temperatures vary. A good many ...
DIAGRAM OF THE DIFFERENT STARS: The Hertzsprung-Russel Diagram of star color and temperature. Courtesy of the European Space Agency and modified by the column author. The color of stars has been noted ...
A star's color is determined by its temperature. Hotter stars appear blue; cooler stars appear red. Stars emit light across a range of colors, not just one. No star can emit only green light because ...
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