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From 1992 onward, many bodies were discovered orbiting in the same volume as Pluto, showing that Pluto is part of a population of objects called the Kuiper belt. This made its official status as a planet controversial, with many questioning whether Pluto should be considered together with or separately from its surrounding population.
He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt. At the time of discovery, Pluto was considered the ninth planet, but was reclassified as a dwarf planet in 2006. Tombaugh also discovered many asteroids, and called for the serious scientific research of unidentified flying objects.
Pluto, discovered by Clyde Tombaugh in 1930, is an interesting target for planetary exploration, ... In early 2007 the craft made use of a gravity assist from Jupiter.
When it comes to landmark achievements in space exploration, today will be a date for the history books as the day humanity reached Pluto for the first time. If everything goes according to plan ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Before New Horizons started sending back data and close-up images of Pluto, we barely knew the dwarf planet. We were like a love-sick fool who could only observe from afar. Now, the New Horizons ...
"The debate over Pluto’s status highlights the evolving nature of scientific classification." Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...
It was at the Lowell Observatory that the dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh. The observatory was founded by astronomer Percival Lowell of Boston's Lowell family and is overseen by a sole trustee, a position historically handed down through the family. The first trustee was Lowell's third cousin Guy Lowell (1916–1927).