There is an interesting story behind the discovery of Pluto. Researchers had been observing a disruption in the orbit of Uranus since a long time. They believed it to be caused by some celestial body other than Neptune. Percival Lowell and William Pickering started researching the subject. They had managed to obtain two images, but they could not predict the position of this planet they thought to exist. Clyde Tombaugh discovered Pluto in 1930. Interestingly, the name 'Pluto' is believed to have been suggested by Venetia Burney, an 11-year-old girl of Oxford, England.
