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
The Planets mysterious and distant as Neptune. Holst then scored the suite for a large orchestra, in which form it became enormously popular. Holst's use of orchestration was very imaginative and colourful, showing the influence of such contemporary composers as Igor Stravinsky and Arnold Schoenberg, as well as such late Russian romantics as Nikolai Rimsky-Korsakov and Alexander Glazunov. Its novel sonorities helped make the work an immediate success with audiences at home and abroad. Although "The Planets" remains Holst's most popular work, the composer himself did not count it among his best creations and later in life complained that its popularity had