During the sixteenth century 20 most astronomers have a belief, that of the solar system planets also have a large one.Although it is known that the result of the calculation is not correct (the error is caused by the measurement of the planet is not accurate due to the limitations of thesend back to calculate the drift of new orbits, it runs out) but at that time, we believe that there is also another planet would encourage the search for the ninth Planet seriously at the observatory worldwide เพอร์ซิ AVAL after some deliberation"canals" on MARS is a person who does not talk to join, Director of the ninth Planet search with this year.He had hired Prof. astronomer and the team came together at the observatory on the top of the hill of his (the observatory after some deliberation (Lowell Observatory) located in the city's active แฟลกส (Flagstaff), the Arizona in the United States, the high-level 2,212 meters from sea level purpose of the observatory is initially study the current of life on Mars observatory camera installed after some deliberation a large increase.The sky was to take a picture with the non-stick coating glass sensitivity helps to check the locations of the stars are bright, at least in a fast, wide area coverageAfter some deliberation because we believe that it will be the ninth planet must be a star flickering so much using a technique called the switch image to come (Blink Comparison) take a picture the sky view the same, the same two images at a time 2 weeks away from each other.The Star is too far away. will be displayed at the same time picture in both planets, its orbit around the sun appears to move the position to become evident, though after some deliberation will be died in the year.But Prof. Job Search for the nine Planet continues in the year.1929 the observatory after some deliberation ไคลด์ hired Tom Combo (Clyde Tombaugh), American amateur astronomer, and work search Planet Tom combo use sensitivity plate glass size 14" x 17" save the sky in the nightCompare photos. Large size in this manner is a work must be used at full length, and gradually more because there is a picture in the mirror plate each Star is an average of 160,000 LEDs on 18 February.1930 Tom combo. Discover star flickering moving between pictures in January and February, so I can keep track and calculate orbits discovered that this new object Extended Ephemeris Ephemeris is far away from the observatory orbit after some deliberation.New Planet named Pru Protocol (Pluto), which is the name of the Angel who holds an artesian city in Roman legend (legend in Greek called Hades) because star poll, is very far from the sun.The first two letters of the name star poll (Pluto) is also synonymous with initials of เพอร์ซิ AVAL after some deliberation (Percival Lowell;PL) again with Star poll, its orbit away from the sun on average almost 6,000 Million Kilometers, or 40 times the distance from the earth to the sun, its orbit around the sun at a distance of around 248 years. Even the light from the sun, it will be required to take up to 5 hours 25 minutes to go toWe had no information on this one. Even if you use the largest telescope in the world, it was also noticed that star poll is the only points of light or a small round pellets almost did not see any details, however,Astronomers have found that star poll, its position as the winner of "best" in several of the key variables, that is, all the planets and their orbits are far away as the sun-star small size - the most orbits - orbits at an angle as possible -The study found that in the initial surface of Star poll, with nitrogen and methane frozen stiff, with other substances in the solid state, in a way, such as email and carbon monoxide70% and 30% due to ice in the average density measuring approx 1.75 department/cubic cm star poll, there will be some atmosphere when Star is close to the sun in the past the most (at last in the year Prof. and next time in the year.2237 ), because the temperature in the range will be warm enough to make it hard on the surface gas planets of Sublimation, and the atmosphere, but it was only a very thin (about 1 in 300,000 times the pressure of the atmosphere earth) and when star poll, moving away from the sun the atmosphere is not crashing out of the star, it will be firm enough to fall back down again.
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