The Discovery Of Pluto And Its Characteristics, Atmospheric Conditions, Path Of Movement, And Personality
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Pluto Pluto was once known as smallest planet in our solar system and the ninth planet from the Sun, but was later reclassified as a dwarf planet (Smith, 2012). Even though it was demoted, Pluto is still an important part of our solar system. One reason for this is that it is considered a Trans-Neptunian Object, or TNO (Miles, 2010). This paper will explore the history of Pluto, along with its characteristics, atmospheric conditions, path of movement, and personality.
The History Back in the 19th century, it was believed that Neptune’s influence in the solar system was not of sufficient value to account for the irregularities that were present in the motion of Uranus. It was also believed that Neptune might be affected by another…show more content… Pluto resides in the region known as the Kuiper Belt where there are thousands of small, icy objects just like Pluto (Smith, 2012).
The Atmosphere The atmosphere of Pluto is known to be very tenuous and consists mainly of nitrogen, with some traces of both carbon monoxide and methane. During the dwarf planets long orbit, the atmosphere actually freezes and ends up falling to the ground as it is moving away from the Sun But, while Pluto is moving towards the Sun, the surface temperature increases and the ice transfers into gas (Studying Pluto 's atmoshpere using stellar occultations, 2009). The overall size of the atmosphere actually increased quite a bit between the years of 1988 and 2002 and the atmospheric pressure doubled at half-light. With the data showing that Pluto’s shadow radius has remained the same since 2002, it is also expected that the atmosphere will once again shrink as Pluto retreats from the Sun (Studying Pluto 's atmoshpere using stellar occultations, 2009).
The Characteristics Pluto is quite small when compared to Earth in pretty much every aspect. In fact, with a mass of 1.3032 x 10^22 kg and a density of 2.050g/cm^3, Pluto is only 0.002 times the size of Earth in terms of mass and 0.372 times the size of Earth in terms of density (NASA, nd.). The equatorial circumference of 4,493.7 miles is roughly 0.1807 times of Earth and the mean radius is 715.2 miles which is approximately 0.1807 times of