February 2010

Introduction In our solar system, nine planets circle around our Sun. The Sun

sits in the middle while the planets travel in circular paths (called orbits) around it. These nine planets travel in the same direction (counter- clockwise looking down from the Sun's North Pole). The picture on the right shows the different paths and positions of each planet.

The Solar System is made out of two parts:

The inner solar system contains

Mercury, Venus, Earth and Mars. These four planets are closest to the sun.

The outer solar system contains

Jupiter, Saturn, Uranus, Neptune and Puto Each planet is named after God.

The inner planets separated from the outer planets by the Asteroid Belt.

In Class

In class 4 we made a sentence in order of the planet this is the one I made

My Very Elderly Mother

Mercury Venus Earth Mars

Just Severed Us nine

Jupiter Saturn Uranus Neptune

pizza’s.

Pluto

Mercury is the closest to the sun but it’s not hot.

Mercury orbits the sun once every 87.969 days.

Mercury is bright when Viewed from Earth, ranging

from – 2.3 to 5.7 inches. The sun is only 28.3’c. Since Mercury is normally lost in the glare of the sun. Mercury can only be viewed in morning or evening twilight.

Venus is the 2nd closest to the Sun Orbiting it every 224.7 Earths day’s The planet is named after Venus, the roman goddess of love and

beauty. 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.

Earth Earth is the 3rd planet near to the sun. Earth is a living planet. It’s age is 4.6 millions years old. It size is the 5th largest planet in the solar system. Earth is White, green and blue The world is expected to

continue supporting life for another 1.5 billion years

Mars

Mars is red. Great dust storms came engulf the entire planet The effects of these storms are dramatic, including giant dunes, wind streaks, and wind-carved features. Scientists believe that 3.5 billion years ago, Mars experienced the largest known floods in the solar system.

Jupiter

Jupiter is the

5th closest to

The sun. It’s the biggest planet.

Where there’s a circle in the photo

Its when they had the big storms

And it is still going on now. It

has 4 moons,.

Saturn

Saturn is the 6th planet near the sun. If you put all nine planets in a bucket of water only Saturn will float I think it is because it has loads

Of rings. Saturn's ring

system extends

hundreds of thousands

of kilometres from the planet.

Uranus

Uranus is the 7th planet near

the the sun. The seventh planet from the Sun is so distant that it takes 84 years to complete one orbit. Uranus, with no Solid surface, is one of the gas giant planets (the others are Jupiter, Saturn, and Neptune). Uranus gets its blue-green color from methane gas. Sunlight is reflected from Uranus' cloud tops, which lie beneath a layer of methane gas.

Neptune Neptune is the 8th planet near to the sun.

After being ignored by French astronomers, Le Verrier sent his predictions to Johann Gottfried Galle at the Berlin Observatory, who found Neptune on his first night of searching in 1846. . Seventeen days later, its largest moon, Triton, was also discovered. . Nearly 4.5 billion kilometres (2.8 billion miles) from the Sun, Neptune orbits the Sun once every 165 years.

Pluto is the 9th planet near to the sun. It does not exist any more.

Pluto tiny, cold and incredibly distant, Pluto was discovered in 1930 and long considered to be the ninth planet. People found out that it was a Dwarf planet.

Sun The sun is in the middle with all 9

planets orbiting the sun. The sun is a big star but is made out of a big ball of gas. The remainder consists of the planets (including Earth), asteroids, meteoroids,

comets, and dust in orbit.

Moon

The moon is bright. It comes in different phases as it travels around earth.

The the Moon's surface area is less than a tenth of the Earth (about a quarter of Earth's land area). It takes 29 days to rotate around Earth. First man to land on

the moon was an American astronaut Neil Arm Strong.