On our visit to Mount Wilson Observatory, we met a celebrity of sorts. The final stop of the tour was the telescope Edwin Hubble used. Hubble, as in the man the Hubble Space Telescope was named after. Standing inside the dome and looking through the same instrument he once worked with made time feel suspended. My mind kept circling the idea that some of humanity’s greatest discoveries about the universe were made right there, in that very room. Hubble’s most famous contributi