Topic Tag: CepheideLatest TopicsTopics Viewing 2 topics - 1 through 2 (of 2 total)TopicMembersPostsLast Activity V1 in M31, “The Star that Changed the Universe” Started by: KeesScherer views: 374in: Deepsky11 KeesScherer 1 year, 4 months ago Messier 31 in Andromeda Started by: KeesScherer views: 780in: Deepsky57 KeesScherer 2 years, 4 months ago Viewing 2 topics - 1 through 2 (of 2 total)