Edwin Hubble Edwin Hubble Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology and is regarded as one of the most important astronomers of all time. Hubble discovered that many objects previously thought to be clouds of dust and gas and classified as "nebulae" were actually galaxies beyond the Milky Way. He used the strong direct relationship between a classical Cepheid variable's luminosity and pulsation period (discovered in 1908 by Henrietta Swan Leavitt) for scaling galactic and extragalactic distances. Hubble provided evidence
Baka Beyond album, "The Rhythm Tree", refers to this project. "It was all out of this one tree," Cradick told BBC World Service's Outlook programme. "They all use these trees – they beat on the buttress roots as the bass drum. So we called the album the Rhythm Tree." Through the charity Global Music Exchange Baka Beyond continue to work with the Baka with healthcare, education and in obtaining national ID cards that give the Baka basic rights as citizens, normally denied them due to their extreme poverty and "unconventional" lifestyle. The Music House has now become a centre for the Baka