Pluto was discovered in 1930. Pluto is the farthest planet from the Sun. Its maximum distance from the ecliptic is 17 degrees, 8 minutes and 34 seconds. It has a rotational cycle of 248.4 years. It can take anywhere between 12 and 31 years to go through a sign. Pluto signifies nuclear power, religious fanaticisim, power, death, destruction, psychological insight and the unconscious. Pluto can denote obsessive behaviour varying with the planet which it aspects. Pluto is also synonymous with regeneration and transformation.