Why do Cepheid variables have that strange name?
A) they were discovered by an astronomer named George Cepheid
B) the first star discovered to be this kind of variable had the Latin name Cepheidus
C) the word Cepheid means changing in brightness in ancient Greek
D) the first such variable was discovered in a constellation called Cepheus
E) the astronomer who discovered them had a dog named Ceffie

Question

Quizplus · Accepted Answer

Cepheid variables are named after the first such star identified as a variable, Delta Cephei, which is located in the constellation Cepheus.

Why Do Cepheid Variables Have That Strange Name