Hubble Celebrates 100 Years of Cepheid Variable Star Discovery
To commemorate Edwin Hubble’s historic discovery of a Cepheid variable class star, V1, in the Andromeda galaxy 100 years ago, astronomers partnered with the American Association of Variable Star Observers (AAVSO) to study the star. AAVSO observers tracked V1 for six months, creating a light curve that captured its rhythmic rise and fall. This data … Read more