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The Solar System - Ali Mohsin

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Ali Mohsin

on 17 May 2017

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Transcript of The Solar System - Ali Mohsin

The Sun
As you all know, the sun is the star at the center of the solar system. Like Earth, the sun has an interior and an atmosphere. Unlike Earth however, the sun does not have a solid surface, the sun is a ball of glowing gas. About three-fourths of the sun's mass is hydrogen, one fourth is helium, and very small amounts are other chemical elements. Features on or above the sun's surface include sunspots, prominences, and solar flares. Sunspots are areas of gas on the sun that are cooler than the gases around them. Prominences are reddish loops of gas that link different parts of sunspot regions. And the last feature is a solar flare, which is when hydrogen gas explodes into outer space.

Whenever you see a bright object in the west after sunset it is probably Venus. Venus is so similar in size to Earth it's called Earth's twin. Astronomers also think that the density and internal structure of Venus is similar to Earth's. It takes Venus 7.5 months to revolve around the sun. It takes about 8 months for Venus to rotate on its axis, Oddly, Venus rotates from East to West, the opposite direction of other planets and moons,
Venus
Earth's surface is 70% covered by water. Earth has three main layers, a crust, a mantle, and a core. The crust includes the solid rocky surface. Under the crust is the mantle, a layer of hot, molten rock. Earth has a dense inner core mainly made up of iron and nickel. The outer core is liquid, but the inner core is solid.
Earth
Mars is called the "red planet" because it has a slightly reddish tinge when you see it in the sky. The atmosphere of Mars is mostly carbon dioxide and has only 1% the pressure of Earth's atmosphere.
Mars
Jupiter is the most massive planet in the solar system. In fact, Jupiter is more than 300 times as massive as Earth. Like all of the gas giant planets, Jupiter has a thick atmosphere made up of mainly hydrogen and helium. Jupiter's atmosphere contains many colorful bands and swirls of thick clouds. Jupiter has a total of 17 moons.
Jupiter
The Solar System - Ali Mohsin
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