We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. The forums at aavso.org/forum have become read-only.
Exactly a century ago, on the night of October 5/6, 1923, Edwin Hubble’s photographic observations of a Cepheid variable settled the vexing question of the day: Our Milky Way is not the entire universe.
