Planets beyond Neptune tiny, tiny, field of view, that would suggest that there are something like 200,000 Earth-sized planets in the outer Solar System ... Even better, I just realized that this many Earth-sized planets existing would destabilize the entire Solar System and we would all die." As of 2016 the following observations severely constrain the mass and distance of any possible additional Solar System planet: Planets beyond Neptune Following the discovery of the planet Neptune in 1846, there was considerable speculation that another planet might exist beyond its orbit. The search began in the mid-19th century and continued at the start of
Gustav Holst scherzo movement of a projected symphony, contains features characteristic of much of Holst's earlier music—"a summing up of Holst's orchestral art", according to Short. Dickinson suggests that the somewhat casual collection of material in the work gives little indication of the symphony that might have been written. Holst made some recordings, conducting his own music. For the Columbia company he recorded "Beni Mora", the "Marching Song" and the complete "Planets" with the London Symphony Orchestra (LSO) in 1922, using the acoustic process. The limitations of early recording prevented the gradual fade-out of women's voices at the end of "Neptune", and