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International Edition Winners 2011: Turkey, Target 3, Grade 11th

International Edition Winners 2011: Turkey, Target 3, Grade 11th


Emre Orhan
Saturn
Saturn
Emre Orhan

11th Grade
Eyuboglu Koleji, Eyuboglu High School
Istanbul


Teacher: Serkan Terlec



"When I consider the scientific benefits of the three targets of Cassini Spacecraft, I think that Target-3 is the best choice among the others. After Voyager Spacecraft, Cassini undertook the duty to help scientists understand the composition of electrifying ring system, research on the atmospheric and internal systems of Saturn and its moons (such as Titan, Enceladus, Thethys, Hyperion etc.). By choosing Target-3, Cassini scientists will have chance to observe almost the entire northern hemisphere of the Saturn since Saturn starts having a new season after 7 years and thus the shadow of the gigantic rings will be projected on the southern hemisphere for the first time in Cassini Spacecraft's history on this mission. Because of this, scientists can observe the storms in the northern hemisphere and find the answer for new questions.

For more than 7 years on this mission, Cassini has taken the pictures of Saturn's atmosphere and let scientists to observe the storms in both hemispheres. However, scientists have not been able to explain the reasons for why have the biggest thunderstorms in the solar system only been seen in the northern hemisphere of Saturn. Saturn orbits the Sun nearly 10 times farther than does Earth, which lasts for almost 30 years. Recently, this gas giant starts having a new season after 7 years and the shadow of the rings will be projected on the southern hemisphere instead of the northern hemisphere. This event will allow scientists to work on the northern hemisphere with a larger field to observe and to understand the reasons for why the biggest thunderstorms in the solar system occur and evolve only in the northern hemisphere of Saturn, by using Wide Angle Camera with different colored filters. Working on the storms will also help us unearth the question about Saturn's interior. The observations have shown that these leaping out bursts appear in every 20 to 30 years on Saturn. This tells us that something deep inside this gas giant may cause these episodic storms. Hence, target number 3 holds key for the scientists to learn more about the atmospheric and internal structure of Saturn and figure out the reasons that lead the northern hemisphere to have giant storms like the magnificent "Sarpent Storm" . Because of these significant reasons, we should definitely choose this target when we consider science's point of view.

Consequently, when we consider the scientific point of view, we should definitely choose Target-3; because we have more scientific benefits; as Saturn starts a new season and Cassini eventually has chance to observe a larger field in the northern hemisphere to learn more about the huge storms. In addition, unlike the other targets scientists will not waste any time in the lack of storms since they can still continue their investigation on the atmosphere and magnetosphere, and contribute to the continuing studies on Saturn. Because of these reasons, we should definitely choose target number 3."