Final answer:
Anastasia should be looking for the color blue to identify the star with the coldest temperature.
Step-by-step explanation:
To identify the coldest temperature among stars, Anastasia should be looking for the color blue. In physics, the color of a star is related to its temperature. Blue stars are typically hotter than other stars, while red stars are cooler. Therefore, the coldest stars would most likely have a red color. It is important to note that silver is not a color associated with stars.
Learn more about Star Temperature