The world's largest discovered cave chamber (single room) is the Sarawak Chamber, in the Gunung Mulu National Park, Malaysia.
In 1751, Baron Axel Fredrik Cronstedt discovered nickel while trying to extract copper from the ore kupfernickel. He named the white metal substance nickel after the spirit that had given its name to the ore.
The discovery of these moons was not supported by the scientific principles of the time and Galileo had trouble convincing some people that he had indeed discovered such objects. This was similar to other ideas put forward by Galileo that were very controversial at the time.
In 1900, German physicist Friedrich Ernst Dorn discovered radon when he found that radium compounds emit a radioactive gas which he called Radium Emanation. In 1908, William Ramsay and Robert Whytlaw Gray isolated radon and figured out its density.
Swedish chemist, Carl Wilhelm Scheele, discovered Chlorine in 1774 believing it contained oxygen. In 1810, Sir Humphry Davy tried the same experiment and concluded that Chlorine was in fact an element, and not a compound.
Makemake was discovered in 2005 and the third largest dwarf planet behind Eris and Pluto.
Eris was discovered in 2005 and was referred to as the tenth planet until it was reclassified in 2006. It is the largest of the dwarf planets.
The technology used for discovering asteroids has improved dramatically since original discoveries and astronomers now have access to a range of powerful telescopes to aid in their research and discoveries.
The first asteroid was discovered in 1801 by Italian astronomer Giuseppe Piazzi. Named Ceres, it features a diameter of around 950 kilometres and is now regarded as a dwarf planet. Ceres was given dwarf planet status in 2006, along with Pluto, Eris, Makemake and Haumea.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes of mind.