about Grigoris Maravelias
Tag: <span>Color-Magnitude Diagram</span>

Tag: Color-Magnitude Diagram

How does the distance affects the stars we see?

With increasing distance fainter stars, and therefore those of lower luminosity, older populations, become less observable. This means that with increasing distance we actually probe different parts of a Color-Magnitude diagram (CMD), which mainly consists of the brightest and more evolved massive stars. This is best shown in this figure …