Cepheid Centenary and the Increasing Universe – Astronotes
On October 5, 1923, Edwin Hubble recognized the primary Cepheid variable in M31, the Andromeda Galaxy. ...
Read moreOn October 5, 1923, Edwin Hubble recognized the primary Cepheid variable in M31, the Andromeda Galaxy. ...
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Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.