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THE SOLAR SYSTEM
WHAT IS A PLANET?
• “ According to Webster’s dictionary a planet is a large, round object in space (such as Earth) that travels
around a star (such as a sun). ”
•
Picture Retrieved from:
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=_
PLANETS ARE IN ORBIT
• Webster’s dictionary states “that a path describes by one body in its revolution about another (as by the
earth about the sun or by an electron about an atomic nucleus); one complete revolution of a body
describing such a path. ”
• This is why we have 365 days in a year, because that is how long it take us to travel around the sun!
• Revolution: a revolution of a planet is how long the planet takes to orbit the sun.
• Rotation: is how long it takes for the planet it’s self to make one full circle.
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Picture Retrieved from:
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_&imgdii=_&imgrc=l9lvi5fnJnFIxM%253A%3BaAX9QyCtgo42ZM%3Bhttp%253A%252F%252Fsolarsystem.nasa.gov%252Fplanets%252Fimages%252Fsplashplanets.jpg%3Bhttp%253A%252F%252Fsolarsystem.nasa.gov%252Fplanets%252Findex.cfm%253FCFID%253D9377172%2526CFTOKEN%253D12399911%3B730%3B380
THE SUN
• The sun is a giant star that all of the planets in our galaxy orbit
• It is made of burning gas. And keeps our planet warm.
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sun&tbm=isch&imgdii=_
MERCURY
• Closest planet to the sun!
• Mercury has no moons!*
• Revolution Period: .24 years*
• Rotation Period: 58.65 days*
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Picture Retrieved from:
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cury&tbm=isch&facrc=_&imgdii=_&imgrc=SmXVgOw8DQ1_1M%253A%3BTt73sb74GbkfLM%3Bhttp%253A%252F%252Fmedia.treehugger.com%252Fassets%252Fimages%252F2013%25
2F06%252FmongoliaGold10.jpg.662x0_q100_crop-scale.jpg%3Bhttp%253A%252F%252Fwww.treehugger.com%252Fclean-technology%252Fsmall-scale-mercury-free-gold-miningmongolia-singlepage.html%3B612%3B612
VENUS
• Venus is the second closest planet to the sun.
• It has several clouds, which create a greenhouse effect and makes the planet to warm for life. The
clouds capture the sun’s rays and never releases them which warms the planet.
• Venus has No moons*
• Revolution Period: 224.7 days*
• Rotation Period: 243 days*
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Picture Retrieved from:
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us&tbm=isch&imgdii=_
EARTH
• Earth is the third closest planet to the sun.
• The Earth has one satellite, called the moon!
• A satellite is according to Webster’s dictionary “an object that moves around a much larger planet.”
• Revolution Period: 365.26 days*
• Rotation Period: 1 day*
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Picture Retrieved from:
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h&tbm=isch&imgdii=_
MARS
• Mars is the fourth planet from the sun.
• It is considered to be what Earth was like before if became ready for life.
• It has ice caps on it so we know that water was on the planet at one point in time.
• Mars has 2 moons*
• Revolution Period: 686.93 days*
• Rotation Period: 24.62 hours*
• Picture Retrieved from:
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s&tbm=isch&imgdii=_
ASTEROID BELT
• The asteroid belt is found between Mars and Jupiter.
• This is where most of our asteroids are found.
• What is an asteroid? According to Webster’s dictionary an “asteroid is any one of small rocky celestial
bodies found especially between the orbits of Mars and Jupiter.”
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Picture Retrieved from:
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roid+belt&tbm=isch&facrc=_&imgdii=_&imgrc=qvsrCm2RI23ODM%253A%3BxjrF0YoYO43yM%3Bhttp%253A%252F%252Fflynt.pbworks.com%252Ff%252FAsteriod%252520Belt2.jpg%3Bhttp%253A%252F%252Fflynt.pbworks.com%252Fw%252Fpage%252F9198219
%252Fasteroid%252520belt%3B567%3B477
JUPITER
• Jupiter is the fifth planet from the sun.
• Jupiter has 62 known moons*
• Revolution Period: 11.86 years*
• Rotation Period: .41 days*
• Picture Retrieved From:
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er&tbm=isch&imgdii=_
SATURN
• Saturn is the sixth planet from the sun.
• It has several satellites
• Saturn has the most rings around it which give it those circular rings around the planet.
• Saturn has 30 moons*
• Revolution Period: 29.46 years*
• Rotation Period: .44 days*
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Picture Retrieved from:
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rn&tbm=isch&imgdii=_
URANUS
• Uranus is the second to last planet from the sun!
• It is considered a gas planet because it is composed of only gasses. Methane is one of the prominent
gasses in it’s structure which is why it is blue.
• Uranus has 16 moons*
• Revolution Period: 83.75 Years*
• Rotation Period: .72 days*
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Picture retrieved from:
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us&tbm=isch&imgdii=_
NEPTUNE
• Neptune is the farthest planet from the sun!
• It used to be considered the second to last planet to the sun when it’s satellite Pluto was considered a
planet.
• Neptune has 8 moons*
• Revolution Period: 163.72 years*
• Rotation Period: .67 days*
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Picture Retrieved from:
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une&tbm=isch&imgdii=_
OTHER OBJECTS IN SPACE
• Hubble Telescope – an object in Earth’s orbit that we sent out into space. It captures pictures for us of
space.
• Comet – an object in outer space that develops a long, bright tail when it passes near the sun.
• White Dwarf – a star that is at the end of its life and is very hot, small, and dense.
• Star – any one of the objects in space that are made of burning gas and that look like points of light in
the night sky.
BIBLIOGRAPHY
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"Comet." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriamwebster.com/dictionary/comet?show=0&t=1394455643>.
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"Hubble Space Telescope." Hubble Space Telescope. N.p., n.d. Web. 10 Mar. 2014.
<http://burro.astr.cwru.edu/stu/advanced/20th_close_hst.html>.
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"Orbit." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriamwebster.com/dictionary/orbit?show=0&t=1394427929>.
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"Picture Album: Solar System." HubbleSite -. N.p., n.d. Web. 10 Mar. 2014. <http://hubblesite.org/gallery/album/solar_system>.
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"Picture Album: Stars." HubbleSite -. N.p., n.d. Web. 10 Mar. 2014. <http://hubblesite.org/gallery/album/star/>.
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"Planet." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/planet>.
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"The Planets Information." The Planets Information. N.p., n.d. Web. 09 Mar. 2014. <http://theanswermachine.tripod.com/id2.html>.
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"Satellite." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/satellite>.
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"Star." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/star>.
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"White Dwarf." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. http://www.merriam-webster.com/dictionary/white%2520dwarf
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"Asteroid." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/asteroid>