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Our Solar System
Transcript of Our Solar System
The sun is made of hydrogen(75%) and helium(25%), with interwoven magnetic fields.
The average radius is 695,508 km, with a mass of 1.989E30 kg.
The sun is at the very center of our solar system.
The sun makes up about 99.8% of
all the mass in our solar system!
That is HUGE!
(the red planet)
On our trip through the solar system we will visit a few of our moons. These include the Earth's moon, Europa, and IO.
Prepare For Take-off!
Are you ready for our journey into the solar system? On this journey we will discover the inside and outs of our solar system. We will visit:
A few moons
The Oort Cloud & Kuiper Belt
The dwarf planets
The sun is the star at the center of the solar system. The sun is so large that it can hold 1,300,000 earths. We use the sun every day without even knowing it, from everything from heat, to solar power.
Mercury has a rocky surface, very similar to earth's moon's surface.
It's thin atmosphere is mostly composed of oxygen.
Mercury is the smallest planet in the solar system.(its radius is 1,516 miles)
It is 0.39 AU from the sun (closest planet to the sun).
Mercury's temperatures vary greatly from day to night. The days temperature can reach 800°F, while night time temps can reach -180°F!
Mercury is the closest planet to the sun. It
is a solid planet with many creators scattered
among it's surface.
Venus' surface is rocky and has scattered volcanoes.
Venus' radius is 6,051.8 km (just a little smaller than Earth).
Venus is the second planet from the Sun, and is about 0.72 AU from the Sun.
Surface temps can reach 480°C during the day.
Venus has a thick toxic atmosphere.
Venus has acid rain storms due to the very toxic
gasses in the atmosphere. Also, a single day on Venus
is longer than one Earth year.
Venus is the second planet frome sun and is the brightest thing in our night sky after the moon. It is ofter called Earths sister.
Earth is composed of iron, silicon, magnesium, sulfur, nickel, and many other elements.
Earth is the third planet from the sun and is 1 AU.
Earths average radius is 6, 371 km.
Earth is our home planet, it is where we thrive.
Earth is a rocky planet with a thick atmosphere and
a magnetic field that all work to promote life.
Earth is the on planet that isn't named after a god or goddess.
Mars is mostly composed of iron and has a thin atmosphere mostly composed of CO2.
The average radius is 3,389.5.
Mars is the fourth planet from the sun.It is 1.52 AU from the sun.
Mars is known for it's huge dust storms.
Mars is a solid planet and is the fourth from
the sun. It is often called the red planet due to
it's reddish appearance.
Mars' reddish appearance comes from the rust that has formed on the surface of the planet
Jupiter is mostly composed of hydrogen(90%) and helium(10%).
Jupiter is the fifth planet from the Sun and is about 5.2 AU from the Sun.
Jupiter has a massive radius of 69,911 km. The ratio between Earth and Jupiter is about 11 to 1.
Jupiter has 64 known moons.
Jupiter is a gas giant like the other three outer planets. It is the largest planet in our solar system.
Jupiter's Great red spot is a huge storm that has been going on for millions of years.
Saturn is 96% hydrogen, 3% helium, and 1% various trace elements.
Saturn is 9.58 AU from the sun and is the sixth planet from the sun.
Saturn's radius is 58,232 km.
Saturn has 53 known moons.
Saturn is a gas giant just a little bit smaller than Jupiter.
Saturn is known for it's rings.
Saturn's rings particles
are almost entirely made of ice.
Although Uranus is considered a gas giant, it is actually made of more ice than gas.
Uranus is 19.26 AU from the sun.
Uranus rotates on its side, unlike any other planet.
It's radius is 15,759 miles.
Uranus is the seventh planet from the sun. Uranus' name comes from the greek god of the sky, due to it's bluish color.
Uranus' moons were names after Shakespeare characters.
Neptune is 80% hydrogen, 19% helium, with trace amounts of other ices.
Neptune is the farthest planet from the sun at 30 AU.
Neptune is the smallest gas giant with a radius of 15,299 miles.
Neptune is the last planet in our solar system.
Neptune was named from the roman god of the
Neptune's six moons were named for astronomers who studied it.
Earths moon has a rocky surface, much of it is cratered.
The moon is 0.00257 AU from Earth.
The moons radius is 1737.5 km.
Earths moon is the brightest thing in the night sky. Our moon is important as it creates tides and keeps our axis a steady 23 degrees.
More than 100 missions have gone to the moon.
Europa has a very icy surface with cracks.
It's radius is 1,560.8 km
It is about 5.1 AU from the sun.
Europa is the only know place besides Earth to possibly have water, in our solar system.
Europa is one of Jupiter's moons. Europa is very special
because it is believed to have an ocean under it's icy
Europa's surface lines come from water coming to the surface through cracks.
Io is made mostly of sulfur (90%) and 10% iron.
Io is 5.25 AU from the sun.
It's radius is 1821.6 km.
At first glance IO looks like a pizza with cheese, tomato sauce, etc. But this is of all its sulfuric volcanoes.
IO was the first known time that astronomers had seen a live eruption, any where but Earth.
Kuiper Belt & Oort cloud
The Kuiper belt is made of frozen gasses and water.
The Kuiper belt starts at about 30 AU, just beyond Neptune.
The size of Kuiper belt objects are unknown but are believed to range, from the size of a grain of sand to the size of dwarf planets.
The Oort cloud is Oort cloud are largely composed of ices, such as water, ammonia, and methane.
The Oort cloud is mainly from 2000 to 5000 AU but can be found as far as 50,000 AU from the sun.
The size of Oort cloud objects are unknown but are believed to range, from the size of a grain of sand to the size of astroids.
The Kuiper belt is a rig of icy gasses and liquids that lies beyond the reaches of Neptune. The Kuiper belt is important because scientists think it may hold clues to how our solar system was created.
The Oort cloud is very similar to the kuiper belt, except it is a sphere instead of a ring. The Oort cloud outlines the edges of our solar system. It is not to be confused with the Kuiper belt, because it is thousands of times farther out than the Kuiper belt.
Some of the dwarf planets in the Kuiper belt have tiny moons.
The Oort cloud may contain more than a trillion icy body's.
Dwarf Planets: Pluto
Pluto is 39.48 AU from the sun.(In the kuiper belt)
Pluto is made of frozen rock (70%) and ice (30%).
Pluto's radius is 1,151 km
Pluto was considered a planet until September 2006. It then became a dwarf planet because of its small size and the discovery of very similar dwarfs, further in the kuiper belt.
Pluto's orbit is different than the other planets, because its orbit goes from up to down instead of being flat.
Dwarf Planets: Makemake
Makemake is made of 70% rock and 30% ice.
Makemake is 45.791 AU from the sun.
It's average radius is 715 k.
Makemake is another kuiper belt frozen world. In fact Pluto and Makemake are very similar to each other. The only difference being size, terrain, and Makemake's methane gas ice.
Makemake looks red because of the ultra-violet light interacting with it's methane gas.
Meteors are commonly made of iron, rock, and ice.
Meteors originate from the kuiper belt and oort cloud.
Surprisingly they are very small, they range from the size of a grain of sand to the size of a popcorn kernel.
Meteors can be found anywhere in the solar system.
Meteors are amazing to watch. They journey so far through the solar system just to get burned up in our atmosphere.
Note: Meteors should not be confused with meteorites, because meteorites are meteors that have passed through the Earths atmosphere and hit the Earth.
Asteroids are commenly made of stone, iron, and other metals.
Asteroids sizes very from twenty feet to 940 km.
Asteroids are mainly found in the asteroid belt between Mars and Jupiter, but can be found other places.
Asteroids are not to be confused with meteors of comets or meteors. Asteroids could be a danger to earth in the future because of their size and speed.
Ceres was once considered to be an asteroid be because it was so big scientests decided to classify it as a dwarf planet.
Comets are pieces of space debris from collisions and other things.
They are made of frozen gasses, rock, or dust and originate from the oort cloud.
They originate from the oort cloud but can be found anywhere in the solar system.
Comets can be anywhere from 0 to 25 miles in diameter.
Comets are not to be confused with meteors. Comets have a visible coma and travel much faster.
Comet Hyakutake's ion tail stretched 360 million miles.
Comets are space debris, usually from collisions.
They are made from frozen gas, rocks, iron, and other metals.
Comets can range from being a few feet to 25 miles.
Although comets originate in the oort cloud, they can be found anywhere in the solar system.
Comets should not be mistaken for meteors. Comets have a visible coma the meteors don't, despite being very similar.
Comet Hyakutake's ion tail stretched 360 million miles.
I think that there are more solar systems than just ours. I think this because we have telescopes, simulations, and technology that can see ourside of our solar system. Also, the Kepler telescope has recorded 145,000 stars, and I know solar systems revolve around stars. Last, there are math equations that show that there must be other solar systems. Overall, I think it is safe to say that there are more solar systems than just ours.
Choi, Charles Q. "Our Solar System: Facts, Formation and Discovery." Space.com. N.p., n.d. Web. 09 Jan. 2014.
McFadden, Lucy-Ann, Paul Robert Weissman, and Torrence V. Johnson. Encyclopedia of the Solar System. Amsterdam: Academic, 2007. Print.
"Solar System Exploration: : Planets." Solar System Exploration: : Planets. N.p., n.d. Web. 07 Jan. 2014.