the solar system with it’s 8 planets that revolve around the sun
DESCRIPTION
The 8 Planets Our Solar System consists of 8 planets. Our Solar System consists of 8 planets. They are divided into 2 categories: They are divided into 2 categories: The Inner Planets The Outer Planets There is a saying to help you remember the 8 planets: There is a saying to help you remember the 8 planets: My Very Educated Mother Just Served Us NachosTRANSCRIPT
The Solar SystemThe Solar System
With it’s 8 planets that With it’s 8 planets that revolverevolve around the sunaround the sun
The 8 PlanetsThe 8 PlanetsOur Solar System consists of 8 planets.Our Solar System consists of 8 planets.They are divided into 2 categories:They are divided into 2 categories:The Inner Planets The Inner Planets The Outer PlanetsThe Outer PlanetsThere is a saying to help you remember There is a saying to help you remember
the 8 planets: the 8 planets: MMy y VVery ery EEducated ducated MMother other JJust ust SServed erved UUs s
NNachosachos
What is a planet?What is a planet? A planet is a large space object that revolves around A planet is a large space object that revolves around
a star. It also reflects that star's light. a star. It also reflects that star's light. Eight planets have been discovered in our solar Eight planets have been discovered in our solar
system. system. All eight planets travel around the Sun in a All eight planets travel around the Sun in a
different orbitdifferent orbit. .
OrbitOrbitAn orbit is a path that one object in space An orbit is a path that one object in space
takes around another object in space.takes around another object in space.The sun’s gravity keeps the planets in orbit The sun’s gravity keeps the planets in orbit
around it.around it. If there was no gravity from the sun, the If there was no gravity from the sun, the
planets would fly off into outer space.planets would fly off into outer space.The gravity of a planet keeps its moons in The gravity of a planet keeps its moons in
orbit around it.orbit around it.
GravityGravityGravity is a force that pulls objects toward Gravity is a force that pulls objects toward
each other.each other.The more mass an object has the greater The more mass an object has the greater
its force of gravity.its force of gravity.The sun has much more gravity than all 8 The sun has much more gravity than all 8
planets, so its gravity is much greater.planets, so its gravity is much greater.
What are out planets made of?What are out planets made of?Mercury, Venus, Earth, and Mars are the Mercury, Venus, Earth, and Mars are the
planets closest to the Sun. They are called planets closest to the Sun. They are called the the inner planetsinner planets. The inner planets are . The inner planets are made up mostly of made up mostly of rockrock. .
The The outer planets outer planets are Jupiter, Saturn, are Jupiter, Saturn, Uranus, and Neptune. Jupiter, Saturn, Uranus, and Neptune. Jupiter, Saturn, Uranus, and Neptune are large balls of Uranus, and Neptune are large balls of gasesgases with rings around them. with rings around them.
The Inner PlanetsThe Inner PlanetsMercuryMercuryVenusVenusEarthEarthMarsMars
MercuryMercuryPlanet Closest To The SunPlanet Closest To The Sun
Mercury is the second smallest planet in our solar system. Mercury is the second smallest planet in our solar system. Only the planet Pluto is smaller. Only the planet Pluto is smaller.
Mercury is about the same size as our Moon. Mercury is about the same size as our Moon. It is very close to the Sun. It is very close to the Sun. Mercury travels around the Sun faster than any other Mercury travels around the Sun faster than any other
planet. That is how it got its name. It was named after planet. That is how it got its name. It was named after Mercury, the swift messenger of the gods in ancient Roman Mercury, the swift messenger of the gods in ancient Roman mythology. mythology.
Mercury can only be seen from Earth just before sunrise or Mercury can only be seen from Earth just before sunrise or just after sunset, but not in the middle of the night. That is just after sunset, but not in the middle of the night. That is because Mercury always appears near the Sun when because Mercury always appears near the Sun when viewed from Earth. viewed from Earth.
Mercury has a very thin atmosphere. Humans would not be Mercury has a very thin atmosphere. Humans would not be able to live there. able to live there.
The surface of Mercury has holes in it where objects such The surface of Mercury has holes in it where objects such as meteorites and asteroids crashed into it. as meteorites and asteroids crashed into it.
VenusVenusEarth’s TwinEarth’s Twin
Venus and Earth are almost the same size. Venus is the Venus and Earth are almost the same size. Venus is the closest planet to Earth, but it does not have oceans or human closest planet to Earth, but it does not have oceans or human life like Earth. life like Earth.
Venus gets so hot during the day that it could melt a lead Venus gets so hot during the day that it could melt a lead cannonball. The temperature rises to 484 degrees Celsius on cannonball. The temperature rises to 484 degrees Celsius on the side facing the Sun. the side facing the Sun.
Venus has very thick, rapidly spinning clouds which cover its Venus has very thick, rapidly spinning clouds which cover its surface. These clouds hold heat in. That is why Venus gets so surface. These clouds hold heat in. That is why Venus gets so hot. These clouds also reflect sunlight. That is why Venus hot. These clouds also reflect sunlight. That is why Venus appears so bright to us here on Earth. appears so bright to us here on Earth.
There are constant thunderstorms in these clouds. The There are constant thunderstorms in these clouds. The surface of Venus has many craters which were made by surface of Venus has many craters which were made by meteorites and asteroids crashing into the planet. Venus also meteorites and asteroids crashing into the planet. Venus also has volcanoes. has volcanoes.
This planet is unusual because it rotates in a direction This planet is unusual because it rotates in a direction opposite that of all of the other planets. Venus spins very opposite that of all of the other planets. Venus spins very slowly as it orbits the Sun. slowly as it orbits the Sun.
EarthEarthThe Water PlanetThe Water Planet
Earth is the third closest planet to the Sun. It has an Earth is the third closest planet to the Sun. It has an atmosphere made up of many different gases, but mainly atmosphere made up of many different gases, but mainly it is nitrogen and oxygen. The atmosphere gives us air to it is nitrogen and oxygen. The atmosphere gives us air to breathe. We live on the planet Earth. breathe. We live on the planet Earth.
The Earth orbits around the Sun. It takes one year to go The Earth orbits around the Sun. It takes one year to go around the Sun one complete time. The Earth also around the Sun one complete time. The Earth also rotates, or spins, on its axis. It takes one day to spin rotates, or spins, on its axis. It takes one day to spin around one complete time. around one complete time.
The Earth's axis is not straight up and down, but tilted a The Earth's axis is not straight up and down, but tilted a little bit. This tilt is responsible for us having seasons. little bit. This tilt is responsible for us having seasons. Otherwise, the temperature would be pretty much the Otherwise, the temperature would be pretty much the same all year long. same all year long.
The Earth has one moon that moves together with it The Earth has one moon that moves together with it around the sun.around the sun.
MarsMarsThe Red PlanetThe Red Planet
The temperature on Mars can be very, very cold. On its The temperature on Mars can be very, very cold. On its warmest day, Mars can still be a very cold place. At the top warmest day, Mars can still be a very cold place. At the top and bottom of the planet are poles just like on Earth. During and bottom of the planet are poles just like on Earth. During the Martian winter, ice caps can be seen at the poles.the Martian winter, ice caps can be seen at the poles.
Space probes have landed on Mars. These probes were Space probes have landed on Mars. These probes were sent on a fact-finding mission by the United States. They sent on a fact-finding mission by the United States. They performed experiments on the Martian dirt and performed experiments on the Martian dirt and atmosphere. The dirt was found to contain clay which was atmosphere. The dirt was found to contain clay which was rich in iron. The iron is what gives Mars its red color. rich in iron. The iron is what gives Mars its red color.
Mars has many craters which were formed by meteorites or Mars has many craters which were formed by meteorites or asteroids hitting it. Mars also has some of the tallest asteroids hitting it. Mars also has some of the tallest volcanoes and some of the deepest valleys in our solar volcanoes and some of the deepest valleys in our solar system. Mars has two moons, Phobos and Deimos which system. Mars has two moons, Phobos and Deimos which have unusual shapes. Scientists think these potato-shaped have unusual shapes. Scientists think these potato-shaped moons were once asteroids captured by Mars' gravitational moons were once asteroids captured by Mars' gravitational pull.pull.
The Outer PlanetsThe Outer PlanetsJupiterJupiterSaturnSaturnUranusUranusNeptuneNeptune
JupiterJupiterThe Largest PlanetThe Largest Planet
Jupiter is a large gas planet whose clouds change colors Jupiter is a large gas planet whose clouds change colors daily. This planet is made mostly of hydrogen and helium daily. This planet is made mostly of hydrogen and helium gases. gases.
Jupiter gives off two times more heat than it gets from the Jupiter gives off two times more heat than it gets from the Sun. It shines very brightly in the night sky for nine months Sun. It shines very brightly in the night sky for nine months of the year when it is closest to Earth. of the year when it is closest to Earth.
Huge areas of swirling gases can be found in Jupiter's Huge areas of swirling gases can be found in Jupiter's atmosphere. The largest swirling area of gas is called the atmosphere. The largest swirling area of gas is called the Great Red Spot. Scientists believe this is a large hurricane-Great Red Spot. Scientists believe this is a large hurricane-like storm which has lasted for hundreds of years. Large like storm which has lasted for hundreds of years. Large bolts of lightning have also been seen in Jupiter's bolts of lightning have also been seen in Jupiter's atmosphere. Pictures taken by space probes have shown atmosphere. Pictures taken by space probes have shown thin rings around Jupiter. thin rings around Jupiter.
Jupiter has forty-eight named moons (and may have as Jupiter has forty-eight named moons (and may have as many as 63!). One of Jupiter's moons, Io, has active many as 63!). One of Jupiter's moons, Io, has active volcanoes on it. Areas on Io that are near the volcanoes are volcanoes on it. Areas on Io that are near the volcanoes are very, very hot. very, very hot.
SaturnSaturnThe Ringed PlanetThe Ringed Planet
Saturn is a very large gas planet which spins very rapidly on Saturn is a very large gas planet which spins very rapidly on its axis. It spins so fast that it flattens out the top and the its axis. It spins so fast that it flattens out the top and the bottom of the planet. The fast spin also causes Saturn to bottom of the planet. The fast spin also causes Saturn to bulge at its equator. bulge at its equator.
Saturn's atmosphere has winds which can blow at over 1800 Saturn's atmosphere has winds which can blow at over 1800 kilometers per hour! kilometers per hour!
The white spots on Saturn are believed to be powerful The white spots on Saturn are believed to be powerful storms. storms.
Saturn is surrounded by over 1000 rings made of ice and Saturn is surrounded by over 1000 rings made of ice and dust. Some of the rings are very thin and some are very thick. dust. Some of the rings are very thin and some are very thick. The size of the particles in the rings range from pebble-size The size of the particles in the rings range from pebble-size to house-size. Scientists believe that the particles came from to house-size. Scientists believe that the particles came from the destruction of moons circling the planet. As comets and the destruction of moons circling the planet. As comets and meteorites smashed the moons, Saturn's gravitational pull meteorites smashed the moons, Saturn's gravitational pull shaped the particles into rings. shaped the particles into rings.
Saturn has at least 35 moons. Some of these moons orbit the Saturn has at least 35 moons. Some of these moons orbit the planet within the rings, creating gaps in the rings. planet within the rings, creating gaps in the rings.
UranusUranusNeptune’s TwinNeptune’s Twin
Uranus tilts over so far on its axis that it rotates on its Uranus tilts over so far on its axis that it rotates on its side. Because of this, its poles are sometimes pointed side. Because of this, its poles are sometimes pointed almost directly at the Sun. almost directly at the Sun.
Uranus' atmosphere is made up of hydrogen, helium, and Uranus' atmosphere is made up of hydrogen, helium, and methane. methane.
The temperature in the upper atmosphere is very cold. The temperature in the upper atmosphere is very cold. The cold methane gas is what gives Uranus its blue-The cold methane gas is what gives Uranus its blue-green color. green color.
The rapid rotation of Uranus causes winds up to 600 The rapid rotation of Uranus causes winds up to 600 kilometers per hour to blow in its atmosphere. kilometers per hour to blow in its atmosphere.
Uranus has eleven known rings which contain dark, Uranus has eleven known rings which contain dark, boulder-sized particles. boulder-sized particles.
Uranus has 27 named moons. Some of these moons are Uranus has 27 named moons. Some of these moons are less than 100 kilometers wide and black as coal. less than 100 kilometers wide and black as coal.
NeptuneNeptuneThe Blue PlanetThe Blue Planet
Neptune and Uranus are very much alike. They are both Neptune and Uranus are very much alike. They are both large gas planets that look like big blue-green balls in the large gas planets that look like big blue-green balls in the sky. sky.
Neptune has winds in its atmosphere which blow at over Neptune has winds in its atmosphere which blow at over 2000 kilometers per hour! 2000 kilometers per hour!
This planet has large, dark circles on its surface which This planet has large, dark circles on its surface which astronomers believe to be storms. astronomers believe to be storms.
Neptune has two thick and two thin rings which surround Neptune has two thick and two thin rings which surround it. it.
Neptune also has at least nine moons. Four of these Neptune also has at least nine moons. Four of these moons orbit the planet within the rings. One of Neptune's moons orbit the planet within the rings. One of Neptune's moons, Triton, orbits the planet in a direction opposite to moons, Triton, orbits the planet in a direction opposite to Neptune's other moons. Neptune is the farthest planet Neptune's other moons. Neptune is the farthest planet from the Sun.from the Sun.
CyclesCycles Because the Earth Because the Earth rotatesrotates on its axis we have on its axis we have
day and night. It takes the Earth 24 hours to day and night. It takes the Earth 24 hours to rotate on its axis.rotate on its axis.
Because the Earth Because the Earth revolvesrevolves around the Sun at a around the Sun at a tilt we have seasons. It takes the Earth 3651/4 tilt we have seasons. It takes the Earth 3651/4 days to revolve around the Sun.days to revolve around the Sun.
CyclesCyclesThe lunar cycles are both 27.3 days long. The lunar cycles are both 27.3 days long.
The moon rotates on its axis in 27.3 days The moon rotates on its axis in 27.3 days and revolves around the Earth in 27.3 and revolves around the Earth in 27.3 days.days.
Tides happen in cycles as well. Everyday Tides happen in cycles as well. Everyday there is a low tide and a high tide because there is a low tide and a high tide because of the gravitational pool of the Moon and of the gravitational pool of the Moon and Sun.Sun.
Reflecting vs RefractingReflecting vs RefractingReflecting telescopes use mirrors to reflect Reflecting telescopes use mirrors to reflect
lightlightRefracting telescopes use lenses to refract Refracting telescopes use lenses to refract
or bend lightor bend light
QuestionsQuestions
What is the planet order from What is the planet order from the sun?the sun?
MercuryMercuryVenusVenusEarthEarthMarsMars
JupiterJupiterSaturnSaturnUranusUranus
NeptuneNeptune
How many planets are there?How many planets are there?
88
What is an orbit?What is an orbit?
An orbit is a path that one object An orbit is a path that one object in space takes around another in space takes around another
object in spaceobject in space
What do the planets orbit What do the planets orbit around?around?
The SunThe Sun
Are the planets the same size?Are the planets the same size?
NoNo
What makes the planets What makes the planets different from each other?different from each other?
The inner planets are made of The inner planets are made of rock and the outer planets are rock and the outer planets are
made of gas.made of gas.
They are different sizes.They are different sizes.
Earth is the only planet that can Earth is the only planet that can sustain life.sustain life.
What keeps the planets in their What keeps the planets in their orbit?orbit?
The sun’s gravityThe sun’s gravity