Question

What type of variable started showing in the image above?​

Answer 1

D. Cepheid Variable

Step-by-step explanation:

RS Puppis is a Cepheid variable star, which varies in brightness, producing a light echo. A light echo occurs when light reflects off of surrounding objects, which delays its arrival to the observer.

I also took the test and got it right

Answer 2

im super sure thats...C....sorry if im wronh