The work of Tombaugh is controlling a telescope in some missions, such as the mencarian mission planet called the planet "X". A search that had previously been searched by an entrepreneur named Pervical Lowell, at the Lowell Observatory where he made in 1984.
Unfortunately, as long as the mission progresses, Lowell died. However, the search for planet X continued to be done simultaneously with the discovery of Neptune and Uranus in 1846. After that, it was only a trace of planet X are found.
When Tombaugh started working at the Lowell Observatory, Arizona in 1929, it wasn't until he found traces of planet x. He uses photographic telescope 13 inches with a camera that can take two pictures of the sky on the day of berebeda. He also uses a special astronomical devices could flip through pictures in rapid movement. When the image in the back and forth, the appearance of stars and galaxies can not move clearly.
But due to rapid image movement, Tombaugh trying to see each of the pairs of images within one week. She tried to probe any image where the contents are no more than 150 thousands up to millions of stars. A year later, on February 18, 1930, he saw the movement of the planets in a pair of images already taken one month before. Tombaugh then studying and trying to confirm the truth.
On March 13, 1930, Lowell Observatory announced the discovery of the ninth planet, which is planet X.
Does not take long, the Observatory ever held a contest to name the planet X. At that time, an 11 year old girl named Venetia Burney, suggest the Observatory to give the name "Pluto".
The United Kingdom origin of the girls says, Pluto is suitable for the planet because distance is very long and dark. Just as the residence of the gods of Greece who came from hell.
In addition to Pluto, Tombaugh made a name in any one area of Pluto, Tombaugh i.e. Regio. The region has a complexion that looks like the epitome of heart or love, and is located on the bottom surface of the planet.
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