Edwin Hubble

"Happy birthday, Edwin Hubble, born on November 20, 1889. The Hubble Space Telescope bears his name. His work became the basis for our modern cosmology: our idea of the universe as a whole."https://earthsky.org/space/this-date-in-science-edwin-hubble-and-the-expanding-universe/?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4