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The Solar System
Transcript of The Solar System
There are many moons in the Solar system. Mars has two moons that constantly circle it and Earth has one moon that rotates around it. Jupiter, Saturn, Uranus, Neptune have a number of moons each. The moon's in the Solar system are very rocky and rough because there are huge mountains, deep cracks and steep cliffs. The Earth's moon is much smaller than Earth and it's gravity is much weaker. The Earth's moon does not shine, it has no light to give out. The moon reflects light rays from the Sun. Those light rays reach Earth and that's what makes the Moon appear to shine.
The sun is a star, a hot ball of glowing gases at the heart of our solar system. The Sun is the center of the Solar system and because it has so much gravity that it forces all the Planets and objects to orbit it. It gives us light and day, if the Sun died we would also die because it would be extremely cold. The Sun will eventually die because it’s about 4.5 billion years old and about 875,000 miles wide. When the Sun is about 7 billion years old it will slowly become much bigger but much colder which will then die. Without the sun's energy and heat, there would be no life on Earth. And though it is special to us, there are billions of stars like our sun scattered across the Milky Way galaxy. The Sun was born in a vast cloud of gas and dust around 5 billion years ago. 98% of the Solar System is made up of the Sun and this means that all of the Solar system objects would all combine to make only 2%. The Sun is so large that the Earth could easily fit inside the Sun a million times. Because the Sun is so large compared to everything else, it is easily makes everything else to orbit around it.
The Solar System...
By Ruby Dwyer
What are comets, asteroids, meteorites,
In 2006 Pluto became a dwarf planet. Pluto was one of the 9 planets, but then they realized that Pluto was too small to be classified as one of the eight planets. It is now a Dwarf planet and not one of the 8 planets we still see today.
What are comets?
A comet is a small planet which scientists sometimes call a planetesimal. They are made out of dust and ice, kind of like a dirty snow ball. Comets come from two places: The Kuiper Belt and the Oort Cloud.
Comets and asteroids are leftover from planets being built in the Solar System. Just like meteorites, asteroids and comets make falling stars, but you never can see them from our sky.
This is a meteorite from the moon.
The Solar system has many different aliments that all work together to keep the Solar system working in the right way such as... asteroids, meteoroids, comets and other things out there. There are eight different planets and some are gas giants or just made up of dust, dirt and rocks. All the planets orbit round the sun together and some planets have moons which orbit the planet as well as the sun.
The Milky Way Galaxy contains roughly 200 billion stars. Most of these stars are not visible from Earth. Almost everything that we can see in the sky belongs to the Milky Way Galaxy. The sun is about 26,000 light-years from the center of the Milky Way Galaxy, which is about 80,000 to 120,000 light-years across (and less than 7,000 light-years thick).
A Meteoroid is a small piece of dust, rock, ice and metal moving through space. They are at least the size of a speck of dust but smaller than asteroids.
A Meteorite is a meteoroid that has survived entry through the atmosphere and reached Earth surface.
How The Solar System Works?
Have you ever wondered what’s out in space or beyond? Well the Solar system is where we live and Earth is our home/our Planet. The Solar system is made up of planets, dust, comets and many of other objects but mostly the Sun. The Sun is the center of the Solar system and because it has so much gravity it forces all the Planets and objects to orbit it. It gives us light and day, if the Sun died we would also die because it would be extremely cold. The Sun will eventually die because it’s about 4.5 billion years old and about 875,000 miles wide. When the Sun is about 7 billion years old it will slowly become much bigger but much colder. There are eight different planets such as… Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Pluto was discovered in 1930 and was one of the nine planets, but in 2006 the scientists at NASA figured out that Pluto was not the same type of planet as the others. Have you ever heard of a comet, asteroid or meteorite? Well a comet is an icy small Solar system object, that when passing close to the Sun, heats up and begins to shine/glow with gas, making a visible atmosphere, and sometimes also a tail. Asteroids are minor planets, especially those ones in the Solar System. The larger ones have also been called planetoids. Meteoroids are much smaller than asteroids, and range in size from small grains to 1 meter-wide objects. Each of the Planets are moving and circling the Sun at different times, so the distances are constanly changing. For example, Venus is sometimes as close to Earth as 35 million miles, and other times as far away as 125 million miles. It dependes on how long each planet takes to orbit the Sun.
Everything in the Solar system has to work together to keep everything working it the right way.
The Milky Way Galaxy