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The Solar System
Transcript of The Solar System
What is the Solar System?
The Solar System is all the planets and stars in our galaxy. The smallest planets in our solar system are the ones that are closer to the sun except Pluto which is the last and smallest planet in The Solar System. Some people have said that Pluto is not actually a planet in our Solar system because it is too small and is considered a dwarf planet. All the planets in our Solar System revolve around the Sun - our closest star. They all have a special magnetic field that stops them from colliding as they make this circle around the sun.
The sun is a big hot ball of fire but the official name for this is a star. Compared to all of our planets the sun is really big [a giant to the planets] but the biggest star in the universe is one billion times the size of the sun. Here is a video about our sun.
The streaks you see coming out of the sun (if you look through a really magnified telescope) are called solar flares. The sun is ninety-three million miles away from earth (about one hundred and fifty million kilometers). The light that the sun provides is essential for all living things on Earth. It enables plants, animals and humans to grow and survive.
Mercury is the closest planet to the sun and the only way to live there is underground but even there would be REALLY HOT. It is pretty small and is the second smallest planet in the solar system (if you count pluto). Mercury has been known about since before Jesus was born. The Greeks gave it two names: Apollo and Hermes. Except for size and colour Mercury and the Earth's moon are very simalar. It has cliffs and craters where it has collided with meteors. Mercury's atmosphere is very thin and it's core is made of iron. Mercury does not have a moon orbiting it.
Venus is the planet that is second-closest to the sun. One of Venus's years is shorter than one of its days. This is because it spins SUPER slowly around itself and manages to make one loop around the sun before it makes one loop around itself. Venus is the only planet in the solar system that spins clockwise. People once believed that Venus was two stars, they called these stars Morning Star and Evening Star because it could be seen in the morning and in the evening. Venus has more volcanoes than ANY other planet in the solar system. It is not known if these are still active.
We live on Earth. Earth is the only planet that is known to have living life forms occupying it. Some planets have land, some have gas and some have water. Earth is the only planet that has all three: it has land, water AND gas. Around seven billion people populate the earth right now. The earth has more water then land. It is the third planet from the sun. The Earth is slowing down. One million years ago a day on earth would have been about twenty hours long. Scientists think that in one million years time, one day might be twenty-seven hours instead of twenty-four.
Three hours more
time with my BFF!
But zero less hours
of school :(
Mars is the fourth planet from the sun.
It is also believed that Mars had water
flowing over it. Like the Earth has now. It is
doubted that it had plants and trees though.
The largest volcano in the solar system is on Mars. It is called Olympus Mons.
This is Olympus Mons
Mars has seasons like Earth
The sun looks half the size it looks on Earth when you look at it on Mars
Jupiter is the the biggest planet in the solar system.Jupiter has a liquid metal ocean,and a storm that is the size of the earth,the storm has been going for hundreds maybe even thousands of years.The distance from the sun is: 778,369,000km/483,500,000 miles. It has 63 moons orbiting it.Time taken to orbit the sun: 11.86 Earth yrs. Surface gravity: 2.64.
Saturn has rings around it which are made up out of asteroids and meteors that have been pulled into its magnetic field.Saturn is the lightest planet in the solar system so if there was a ocean big enough Saturn would float.
As light as a feather
Uranus' name right now is Uranus but before it was named that it was called George's Star. Uranus spins lying on it's side(like a barrel),this is due to a large collision early in it's formation.Since Uranus takes 84 earth years to go around the sun ,this means that each of it's poles is in daylight for 42 years and in the darkness the next 42 years.
Neptune is larger then the earth it is nearly four times the size of the earth, storms have been spotted swirling around it's surface and freezing winds faster then hurricanes on earth make it the windiest planet.
It's the furthest planet away from the sun, so it's really cold and even has some ice/frost. The ice is in a thick layer around Pluto. It is a dwarf planet and as I previously said, some people have not recognized Pluto as a real planet and say it's not in the solar system!