What is the color and temperature range of a star with the lowest temperature?

The temperature of a star refers to its surface and that is what determines its color. The lowest temperature stars are red while the hottest stars are blue. Astronomers are able to measure the temperatures of the surfaces of stars by comparing their spectra to the spectrum of a black body.

Here is the link to the all information u need i mean answer key

Mg-26 and mg-24 are pair of isotopes. isotopes are defined as atoms of the same element having same atomic number but different mass number. i hope that was .