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Transcript of EARTH
missions and probes to the moon
The Earth is 92,960,000 miles away from our sun.
The moon is named Luna and is also called a natural satellite.
*The earth's atmosphere is made up of five major layers! The first and lowest layer is the, Troposphere. The one layer that provides the weather. The name comes from the greek word, mixing. The higher you go in the Troposphere the colder it is.
Pioneer 1,Sputnik 1,Apollo 11,and Apollo 13 are a few of the probes and missions to the moon
*Next is the Mesosphere. This is the layer where meteors burn up, and where the temperature goes down. This is why Earth isn't covered in crater holes, like the moon.
The moon has a very thin atmosphere, so the temperatures vary from as high as 273 degrees Fahrenheit, and -243 degrees Fahrenheit .
Tides are caused by the gravitational interaction between the Earth and the Moon.
What is Earth made of?
*Earth is made up of multiple things.
Apollo 13 was the 7th manned mission intended to land on the moon it was launched on April 11,1970 but the lunar landing was aborted after an explosion in the oxygen tank two days after the launch
*It is made up of the crust, the mantle, and the core.
Sputnik 1 was the first artificial Earth satellite to be put in orbit around the earth
*If you break the Earth up into different piles, you would have 32% iron, 30% oxygen, 15% silicon, 14% magnesium, 3% sulfur, 2% nickel, and then smaller piles of calcium, aluminum, and other stuff.
*Over a 100 tons of small meteorites (mainly fragments of dust) enter our Earth's atmosphere, everyday!
*Earth is smoother than a bowling ball. High Mountains and deep ocean trenches make up only 1/5000th of the Earth's circumference.
Facts about Earth
Earth is the 3rd planet from the sun and the 5th largest planet
The only planet with an english name
The Earth is 4.5 to 4.6 billion years old
Some more interesting facts.
*The only planet that supports life
*At the equator, the circumference of the globe is 24,901 miles
*Earth's seawater contains 13 billionths gram of gold in every 1 liter of seawater.
106,000,000,000 people have lived on earth.
9.2 billion will be the population on Earth by 2050.
More than 24,500 space objects are orbiting Earth. Pretty cool right?
*Above the mesosphere is the ionosphere. It is so thin it's considered part of outer space. The International Space Station and many satellites orbit within the ionosphere. Than the last layer is the, Exosphere. It extends outward until it interacts with Solar Wind. Solar winds occur in this area.
How it was made
The moon was created when a rock the size of Mars slammed into Earth, shortly after the solar system began forming about 4.5 billion years ago, according to the leading theory.
The moon's heavily cratered surface is the result of intense pummeling by space rocks between 4.1 billion and 3.8 billion years ago
Moonquakes, or "earthquakes" on the moon, do occur, though they are less common and less intense than those that shake Earth.
satellites are usually as big as 1 or 2 football fields.
The moon makes a complete orbit around earth in about 27 days.
In 1988 about 13% of people thought the moon was actually made out of cheese that was surveyed.
the moon doesnt have a magnetic field at all.
The moon is moving away 1.5 inches a year ,so since the year 2000 the moon has moved away about 19.5 inches
The Earth is mainly made of iron silicon and oxygen.
The molten lava iron core makes the gravitational pull that humans experience.
Random Earth stuff.
WE HAVE EXPLODING LAKES... magma below the lake keeps back carbon dioxide and then releases the carbon dioxide asphyxiating any passerby
Earth used to have a twin planet named Theia. So About 4.5 billion years ago, a planet which was about the size of Mars and shared the same orbit with Earth.
END OF THE PRESENTATION