Today, Richard Rael and Tony Riggs tell the story of American astronomer Edwin Hubble. He changed our ideas about the universe and how it developed. Edwin Hubble made his most important discoveries in ...

Edwin Hubble was the first person to use the Hale Telescope. He died in nineteen fifty-three while preparing to spend four nights looking through the telescope at the sky. Hubble's work led to new ...

E·P·哈勃(Edwin Powell Hubble，1889-1953)，美国天文学家。 1923至1924年在威尔逊天文台时，哈勃发现仙女座大星云的12颗造父变星，根据周光关系，推算出 ...