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The Solar System by: Lillie Shipley
Transcript of The Solar System by: Lillie Shipley
The Inner Planets
the solar kind.
THE INNER PLANETS
the outer planets
The conditions on Mars are very similar to that of Earth's. Some scientists have found evidence that there was once a sea of water on Mar's surface. They believe that water could be found under the surface, and that we could possibly use that to our advantage so that we could possibly one day live on Mars. Mars surface is rocky and dusty. Also, Mars has 2 moons, Phobos and Diemos.
The Earth is the planet we call home.
Right now, over 6 billion humans reside on this planet. A core (inner and outer), a mantle, and a crust that make up the Earth as a whole. It has only one moon named "Luna." Earth once had a "twin planet" named Thea, but it is said that Thea and Earth collided, creating the Moon and Earth, almost a double planet.*
Venus is considered to be the most similar planet to Earth because of it's shape and creation. They have a similar mass- Venus has about 20% less mass than Earth. It is considered to be brightest looking planet from earth because it reflects the most sunlight- 65% of what the Sun shines on it. It has no moons.
2nd largest dwarf-planet in the Solar System. It used to be a planet, but it was decided by the IAU that Pluto's mass was not sufficient enough for it to be considered a dwarf planet. Pluto's moon, Charon, has a mass so like that of Pluto's that it is considered to be a double planet. A double planet is a planet thats moon is almost its size, so they pull on each other with almost eqaul force.
Jupiter is the largest planet
in our solar system with a
circumfrence of 120,660 km.
It is the 5th planet from the
Sun and it has the most natural
satellites of any planet in our
Solar System: 63 have been dis-
covered so far. The largest of
them are the moons Ganymede,
Io, Europa, and Callisto, all three of which were Gallilean moons.
Jupiter is a gas giant, which
means that is primarily com-
posed of hydrogen (90%) and
helium (9%). Because there is
so much gas, Jupiter's surface
is covered with storms and
hurricanes from the mixing gasses.
The single star in our Solar System, or the "Sun" as it has been named, is a giant flaming
ball of gas and mostly plasma. It was discovered in the 3rd century that the geocentric
theory (the theory that the Sun and other planets revolved around the Earth) was said
unreasonale, and that the Sun was the center of gravity pulling everything together. This was
done by Aristarchus, and then in the 16th century, Nicolaus Copernicus made a model that was
very close to what has today been proven to be the shape of our Solar System.
Also, the sun has been classified as a G2 dwarf star, one of the smallest types found in our
universe. Even though it is very small compared to other stars, it makes up about 99.98% of the mass in our Solar System. That means 1,000,000 "Earths" could fit inside of the sun, if it was hollow.
The Sun has cycle just like our water ones on earth. Except, it is with the gas and plasma.It is called a "Solar Cycle" There are winds, storms, and flares that can affect both Earth and the other planets in our solar system. Also, there are eruptions called "prominence" that come from the chromosphere, or "colorsphere" of the sun. Prominence is when a large amount of plasma helium is let out from the Sun,
which can eventually lead to coronal mass ejection. CME and prominence are pretty much the same thing, but CME's last much longer than prominence does.
The coolest layer of our Sun is the outermost layer, the photosphere, which literally means "light sphere". It has features on it that are called sunspots. Sunspots are dark (comapred to the rest of the photosphere), cool patches that temporarily appear on the photosphere of the sun. They are a result of big magentic activity. They can also affect the aurora borealis, or "Northern Lights" on Earth.
The Sun is a very dangerous and powerful ball of flames that will one day engulf the Earth and then turn into a brown dwarf, which means that it can no longer produce energy or light. If there is still life on Earth when this happens, it will be ended because of this occasion.
Saturn is the 6th planet from the Sun, and it is the 2nd largest planet apart from Jupiter. Saturn's rotation is so fast that it actually has flattened poles (where the axis "is"). Saturn is considered to be one of the prettiest objects in our Solar System because of it's intense ring system. Saturn is a gas giant, made mostly out of hydrogen, and a small amount of helium, very much like Jupiter. Also, saturn has 31 and counting natural satellites. Some of the most well known are Titan, Pandora, and
Uranus is very simliar to
one of it's fellow planets and
neighbor, Neptune. Both are
considered to be "ice giants"
or large planets that contain
ice, and are mostly made of
out the solid. However, this
is not the kind of ice would
want to plop into a glass of
lemonade. This ice is usually
methan-ice or ammonia-ice.
With all this ice comes cold
temperatures, about -17 times
Earth's average temperature.
Like the other four "giants"
of our Solar System, Uranus
has a ring system, just not a pro-
minent as Saturn's. Uranus has
27 moons, with more undis-
covered natural satellites.
the kuiper belt
The Kuiper Belt is a group of objects ranging in size and mass that surround
the innder Solar System, the part that most people are familiar with. The
Kuiper Belt is full of comets, asteroids, dwarf planets, and other objects that
all orbit around the Sun. Pluto, (and its moon, Charon) one of the more familiar
Kuiper Belt Objects, has an orbit that goes throught the Kuiper Belt.
Neptune, one of the two ice giants
found in out Solar System, is also
the 5th most massive planet in
our Solar System. It has 13 known
moons, and one of them, Triton,
is geologically active, with geysers
that shoot out liquid nitrogen.
Neptune's composition has hydrogen,
helium, and some methane, which gives
the planet it's blue color. Neptune is
the furthest planet from the Sun in the
Solar System, although Pluto used to
Mercury is the planet nearest the Sun,
and it has a surface very similar to that
of the moon. First, it reflects 6% of the Sun's
light, just like our moon. Also, a rocky, cratered surface is featured. The reason the surface is so rocky is because it has no atmosphere. Mercury may be very similar to our moon, but it has no natural satellites of its own.
double planet- a planet system of 2 bodies that revolve around a bary center in between the center of mass.
The asteroid belt
The asteroid belt is a "belt" of asteroids and other SSSB's* that surround
the inner, terrestrial planets. It is made up of thousands and millions of
asteroids that revolve around the sun.