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 five then-known dwarf planets, Eris, Pluto, Haumea, Makemake, and Ceres. Unlike Matthews' composition, this work is not intended to be incorporated into a performance of Holst's suite. In 2006, the Berlin Philharmonic, with Sir Simon Rattle and EMI Classics, commissioned four composers (Kaija Saariaho, Matthias Pintscher, Mark-Anthony Turnage, and Brett Dean) and recorded an additional, four-movement suite based on asteroids in the Solar System. The four movements were: Holst adapted the melody of the central section of "Jupiter" in 1921 to fit the metre of a poem beginning "I Vow to Thee, My Country". As a hymn tune it has