solar system power point
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The Planets
Mrs. Cothery’s 7th grade class
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The Solar System Our solar system is made up of eight
individual and unique planets and is nearly five billion years old.
There are over 170 moons, thousands of asteroids and many dwarf planets.
Everything orbits around the sun. The four planets closest to the sun are
called terrestrial planets because they have solid rocky surfaces.
The four planets beyond mars are called the gas planets.
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The Sun
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The Sun The Sun is the largest star in the solar
system. It is about 333,000 times the size of earth.
It contains 99.8% of all the mass in the
solar system. It is 1.4 million kilometers wide. The sun is filled with scorching hot gases. The temperature is about 10,000 degrees
Fahrenheit at the core. The sun holds the solar system together,
and gives it light, heat and energy.
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Mercury
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Mercury
Mercury is the closest planet to the sun, and can reach temperatures of 801 degrees Fahrenheit.
It has very little atmosphere to trap heat, so the temperatures at night can plummet to -279 degree Fahrenheit.
The sun looks up to three times larger on Mercury than in does on Earth.
It is the second smallest planet in the solar system.
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Venus
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Venus From Earth, Venus is the brightest object
in the night sky. Venus is similar to Earth’s size. It has a think, rapidly spinning
atmosphere. The surface pressure is 90 times of the
pressure on Earth. The atmosphere consists mainly of carbon
dioxide. The surface temperature can be over 880
degree Fahrenheit. One day on Venus is equally to 117 Earth
days.
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Earth
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Earth The only known planet to support life. Has a thin atmosphere that protects us. We are about 93,000,000 miles away
from the sun. Our atmosphere consists of 78%
nitrogen, 21% oxygen and 1% other ingredients.
Our atmosphere shields us from the harmful sun’s rays.
Our molten nickel-iron core gives us our magnetic field.
Our oceans are at least 2.5 miles deep.
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Mars
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Mars Known as the red planet Made up of a rocky surface The surface is covered in volcano's,
shifting tectonic plates and meteor impacts.
It has seasons that change it polar ice caps.
Mars often has large dust storms. It is believed that 3.5 billion years ago
Mars experienced great flooding.
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Jupiter
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Jupiter The solar systems largest planet. Jupiter atmosphere is made up of
hydrogen and helium. Jupiter has four planet size moons. It is very similar to a large star. Its four moons are called Io, Europa,
Ganymede, and Callisto. It has clouds made of ammonia. Jupiter's surface does contain water. It is famous for its great red spot, which
is a huge storm that has been around for over 300 years.
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Saturn
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Saturn It is one of the large gas giants. It is made up of mostly hydrogen and
helium. The yellow and gold banding is made by
fast winds in the upper atmosphere. Galileo was the first person to see
Saturn. Saturn's volume is 755 times greater
that Earth. Saturn’s rings are the most complex and
extensive in the solar system. Saturn has 52 known moons.
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Uranus
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Uranus Spins on an axis that mostly faces the
sun. The large amount of methane gas in its
atmosphere give it the distinct bright blue color.
Uranus has 11rings It is one of the large gas planets. It atmosphere is made up of hydrogen
and helium. It magnetic field is tipped over. Uranus has 27 known moons.
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Neptune
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Neptune The furthest planet in our solar system. It also gets it blue coloring from the
methane gas in its atmosphere. Large storms are are common
occurrence on Neptune. It is nearly 2.8 billion miles away from
the sun. Its atmosphere extends to great depths,
gradually merging into water and other melted ices.
The axis of Neptune’s magnetic field is tipped over bout 47 degrees.
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References“Mars”, www.blogs.smithsonianmag.com, May 4, 2013“Mercury”, www.solrsystem.nasa.gov, May 4, 2013“NASA- Sun Emits a Mid-Level Flare”, www.nasa.org,
May 4, 2013.“Neptune”, www.solarsystem.nasa.gov. May 4, 2013"Nine Planets." The Solar System Tour. May 4, 2013.“The Planets”, www.solarsystem.nasa.gov, May 4, 2013“Saturn”, www.nssdc.gsfc.nasa.gov, May 4, 2013"Science." National Geographic. May 4, 2013.“Uranus Fact Sheet”, www.nssdc.gsfc.nasa.gov, May 4,
2013“Venus”, nssdc.gsfc.nasa.gov. May 4, 2013“Visible Earth”, visibleearth.nasa.gov. May 4, 2013