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International Edition Winners 2010: Romania, Target 3 -- Grade 7th-9th (2)

International Edition Winners 2010: Romania, Target 3 -- Grade 7th-9th (2)



Horne? Lauren?iu
Saturn
Saturn
Horneţ Laurenţiu

Teacher Advisor: Alina Dumitru
Economical High School


Mangalia



"I choose the target number 3 - making a film about "life" of the planet Saturn.

Saturn is the sixth planet from the Sun and the second largest in the Solar System.

Giant Saturn is composed of gases like hydrogen and helium in most other elements in small amounts.

Planet core comprises rock and ice, it is wrapped in a layer of metallic hydrogen and a gaseous layer at the interior finish.

The Staturn can be observed for 10 months a year. Best opportunities are those moments in which Saturn is 180 degrees from the Sun.

That first observed the planet through an astronomical instrument was Galileo Galilei in 1610.

Saturn is lighter than water. If it were thrown into an ocean giant, the planet would float! Even gravity is so strong, Saturn is a planet that changes the trajectory of comets.

Saturn's magnetic field is given (like that of any planet) core rotation.
Saturn's magnetic field is 578 times greater than Earth's.

The planet emits a radio pulse with a period of 10 hours and 39.4 minutes, associated with a rotation of the nucleus. Saturn is known for its rings, the most spectacular solar. Ini?ial system because of poor astronomical instruments was thought that the planet Saturn is a triple.

The tools have evolved and were seen seven rings called rings D, C, B, A, F, G and E in order away from the planet.

The diameter of the rings system is 480,000 km, but their thickness is only several tens of meters.

The rings are composed of ice particles that have a few millimeters to several meters in diameter.

All these particles orbit the planet and give the sensation of speed like a solid ring.

Saturn have one of the strangest mysteries of the Solar System. It is located at the north pole of the planet and is shaped like a hexagon with sides perfectly even, so the scientists nemaitâlnit.
Hexagonal shape measuring 25,000 kilometers in width and aprozimativ is two times greater than Earth's diameter.

This structure is not simply a sinusoidal cloud , the phenomenon can be observed on other planets that have atmospheres.
Honey comb shaped structure has been observed 20 years ago the spacecraft Voyager 1 and 2.

Astronomers say they have never seen such a strange phenomenon on other planets.

On Saturn, which has a dense atmosphere dominated by circular waves and convective cells, this phenomenon is very strange.
Saturn's hexagon is similar to Earth's polar vortex, forming the circular currents of air.

But the hexagonal shape is totally different from the vortex of Saturn's south pole, which looks like a hurricane.
A similar formation was photographed 20 years ago by NASA, but this is the first time he sees it as perfect a single image."