Vasanth

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OUR SOLAR SYSTEM PowerPoint Presentation on “ Our Solar System “ developed by Vasanth in Microsoft Office 2003 OUR GROUP: (6 th B) 1) Vasanth 2) Vamsi 3) Abhay 4) Aathi

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MERCURY VENUS EARTH MARS JUPITER SATURN URANUS NEPTUNE SUN

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The Sun is the star at the center of the Solar System. It has a diameter of about 1,392,000 km, about 109 times that of Earth, and its mass is about 330,000 times that of Earth . THE SUN – Our nearest star The Sun is hot ball of fire and burning gasses with its surface temperature about 5778 K and its core temperature is about 15700000 K.

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Mercury is the innermost of the eight planets in the Solar System. It is also the smallest, and its orbit has the highest eccentricity. It orbits the Sun once in about 88 Earth days, completing three rotations about its axis for every two orbits. THE MERCURY The side of Mercury facing the Sun remains very hot about 700K and the side of this planet facing away from Sun remains very cool about 100K.

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Venus is classified as a terrestrial planet and it is sometimes called Earth's "sister planet" owing to their similar size, gravity, and bulk composition. Venus is covered with an opaque layer of highly reflective clouds of sulfuric acid, preventing its surface from being seen from space in visible light. THE VENUS Venus is the second planet from the Sun, after the Moon, it is the brightest natural object in the night sky. Venus reaches its maximum brightness shortly before sunrise or shortly after sunset, for which reason it has been known as the Morning Star or Evening Star.

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THE EARTH Earth is the third planet from the Sun, and fifth-largest of the eight planets in the solar System. Earth's poles are mostly covered with solid ice (Antarctic ice sheet) or sea ice (Arctic ice cap). The planet's interior remains active, with a thick layer of relatively solid mantle, a liquid outer core that generates a magnetic field, and a solid iron inner core. This is our home planet where we live and do many things. This planet has all the necessary characteristics to support life.

THE MARS: 

THE MARS Mars is the 4th planet from the Sun in the Solar System. It is often described as the "Red Planet”. Mars is a terrestrial planet with a thin atmosphere, having surface features reminiscent both of the impact craters of the Moon and the volcanoes, valleys, deserts, and polar ice caps of Earth. Mars is the site of Olympus Mons, the highest known mountain within the Solar System. The next planet after Earth which has most of the necessary conditions for life is Mars.

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THE JUPITER Jupiter is the 5th planet from the Sun and the largest planet within the Solar System. Jupiter is classified as a gas giant along with Saturn, Uranus and Neptune. Together, these four planets are sometimes referred to as the Jovian or outer planets. When viewed from Earth, Jupiter can reach an apparent magnitude of −2.94, making it on average the third-brightest object in the night sky after the Moon and Venus. This planet has a spot which is called “ The Great Red “ spot. This is the region of extreme storm which is big as that of 4 Earths.

The Saturn: 

The Saturn While only one-eighth the average density of Earth, with its larger volume Saturn is just over 95 times as massive as Earth. Saturn's interior is composed of a core of iron, nickel and rock (silicon and oxygen compounds), surrounded by a deep layer of metallic hydrogen, an intermediate layer of liquid hydrogen and liquid helium and an outer gaseous layer. Electrical current within the metallic hydrogen layer is thought to give rise to Saturn's planetary magnetic field, which is slightly weaker than Earth's and around one-twentieth the strength of Jupiter's. This planet is known for its beautiful rings pattern.

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THE URANUS Uranus is similar in composition to Neptune, and both are of different chemical composition than the larger gas giants, Jupiter and Saturn. Astronomers sometimes place them in a separate category called "ice giants". Uranus's atmosphere, while similar to Jupiter and Saturn's in its primary composition of hydrogen and helium, contains more "ices" such as water, ammonia and methane, along with traces of hydrocarbons. It is the coldest planetary atmosphere in the Solar System. The Uranian system has a unique configuration among the planets because its axis of rotation is tilted sideways, nearly into the plane of its revolution about the Sun. Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System

THE NEPTUNE: 

THE NEPTUNE Neptune is the 8 th and farthest planet from the Sun in the Solar System. It is the 4 th largest planet by diameter and the 3 rd largest by mass. Neptune is 17 times the mass of Earth and is somewhat more massive than its near-twin Uranus, which is 15 times the mass of Earth but not as dense. Neptune was the first planet found by mathematical prediction rather than by empirical observation. Unexpected changes in the orbit of Uranus led Alexis Bouvard to deduce that its orbit was subject to gravitational perturbation by an unknown planet. Neptune is a gaseous planet like Uranus. Its orbit cuts the orbit of Pluto.

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