Заполните предложения недостающими словами. The ninth planet of the solar system was 13 not long ago. It happened in 1930. Scientists had been hunting for the planet for a 14 time. They had calculated its probable position but there was no proof that the planet really 15 . It was too 16 away for the telescopes of that time to find it. It’s worth mentioning that the first photos of the planet were taken by a very young researcher. He was only twenty-four and had no formal education in astronomy. However, he was deeply involved in the search for the ninth planet. The planet at the edge of the 17 system was called Pluto, after the Roman god. The name for the planet was 18 by an 11-year-old British girl. 1) discovered 2) long 3) launched 4) solved 5) solar 6) existed 7) suggested 8) far