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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: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#imgdii =_ 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. • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#facrc= _&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. • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=the+ sun&tbm=isch&imgdii=_ MERCURY • Closest planet to the sun! • Mercury has no moons!* • Revolution Period: .24 years* • Rotation Period: 58.65 days* • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=mer 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* • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=ven 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* • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=eart 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: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=mar 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.” • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=aste 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: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=jupit 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* • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=satu 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* • Picture retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=uran 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* • Picture Retrieved from: https://www.google.com/search?q=solar+system&espv=210&es_sm=93&source=lnms&tbm=isch&sa=X&ei=J0cdU823JuGdyQHat4DoCA&ved=0CAkQ_AUoAQ&biw=667&bih=639#q=nept 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 • "Comet." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriamwebster.com/dictionary/comet?show=0&t=1394455643>. • "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>. • "Orbit." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriamwebster.com/dictionary/orbit?show=0&t=1394427929>. • "Picture Album: Solar System." HubbleSite -. N.p., n.d. Web. 10 Mar. 2014. <http://hubblesite.org/gallery/album/solar_system>. • "Picture Album: Stars." HubbleSite -. N.p., n.d. Web. 10 Mar. 2014. <http://hubblesite.org/gallery/album/star/>. • "Planet." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/planet>. • "The Planets Information." The Planets Information. N.p., n.d. Web. 09 Mar. 2014. <http://theanswermachine.tripod.com/id2.html>. • "Satellite." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/satellite>. • "Star." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/star>. • "White Dwarf." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. http://www.merriam-webster.com/dictionary/white%2520dwarf • "Asteroid." Merriam-Webster. Merriam-Webster, n.d. Web. 10 Mar. 2014. <http://www.merriam-webster.com/dictionary/asteroid>