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Mars: The Red Planet

Mars: The Red Planet

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Mars: The Red Planet

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  1. Mars: The Red Planet By Sarah Wolbach

  2. What does Mars mean? • Roman god of war • Red color is associated with blood • Observed by Ancient Romans

  3. Discovery of Mars • First observed by Egyptians – 1570 B.C. • Galileo Galilei was the first to view Mars through a telescope – 1610 A.D.

  4. Distances • Fourth planet from the sun • 227,940,000 km away • Distance from the Earth: • Varies because of their orbits • Avg. 225 million km

  5. Planet Measurements • Mass – 6.42 x 1023 km • Volume – 1.63 x 1011 km • Gravity – 3.71 m/s2 • Density – 3.93 g/cm3 • Mars would sink in water because it is more dense than water.

  6. Orbit and Rotation • 687 Earth days to orbit the sun • 24 hours and 40 min to rotate on its own axis

  7. Mars’ Atmosphere • 100 times thinner than Earth’s • 95.3% Carbon Dioxide • 2.7% Nitrogen • 1.6% Argon • .13% Oxygen • .08% Carbon Monoxide

  8. Temperature Range • Much colder than Earth • Temperatures average -60° to -125° C • Can reach 20° C in the summer

  9. Composition/Appearance • Rocky, thick layer of oxidized iron dust and rocks • Crust – volcanic basalt rock • Solid Core – iron, nickel, sulfur • “The Red Planet” • High iron content • Dusty surface • Appears to be red from Earth

  10. Moons Phobos Deimos • asteroid-sized • 9,377 km above Mars • orbits twice a day • discovered in 1877 by Asaph Hall • asteroid-sized • 23,460 km above Mars • takes 30.35 hours to complete orbit • discovered in 1877 by Asaph Hall

  11. Water • Much of the water escaped because of the thin atmosphere and less gravity • Water contained in ice caps at north/south poles • More water is frozen beneath the surface and covered by red dust

  12. What would happen if a human traveled to Mars? • No oxygen • Low gravity; could float • High radiation from Sun because of the thin atmosphere • Very cold temperatures

  13. Special Features • Tallest mountain in the solar system – Olympus Mons • Longest, deepest canyon in the solar system – VallesMarineris • Similar tilt and seasons as Earth • Dust storms • Winds over 125 mph • Storms can last for weeks

  14. Bibliography • Lavender, Gemma, Mphys. "Can We Make Mars Our Home?" Astronomy For Kids. KidsKnowIt Network, n.d. Web. Dec. 2013. <http://www.kidsastronomy.com/Men-on-Mars-article.php>. • "Mars: Facts & Figures." Solar System Exploration: Planets: Mars: Overview. NASA, n.d. Web. Dec. 2013. <http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mars>. • "Phobos and Deimos." ESA - Space for Kids. European Space Agency, n.d. Web. Dec. 2013. <http://www.esa.int/esaKIDSen/SEM4Q6WJD1E_OurUniverse_0.html>. • Redd, Nola Taylor. "Water on Mars: Exploration & Evidence." Space.com. TechMedia Network, 26 Sept. 2013. Web. Dec. 2013. <http://www.space.com/17048-water-on-mars.html>. • Sharp, Tim. "Mars' Atmosphere: Composition, Climate & Weather." Space.com. TechMedia Network, 3 Aug. 2012. Web. Dec. 2013. <http://www.space.com/16903-mars-atmosphere-climate-weather.html>. • Sharp, Tim. "What Is Mars Made Of?" Space.com. TechMedia Network, 3 Aug. 2012. Web. Dec. 2013. <http://www.space.com/16895-what-is-mars-made-of.html>.

  15. Image Citations http://wordquests.info/cgi/ice2-for.cgi?file=/hsphere/local/home/scribejo/wordquests.info/htm/L-Gk-mars.htm&HIGHLIGHT=ares http://www.sparselysageandtimely.com/blog/?p=18469 http://weeklyworldnews.com/aliens/8218/mars-traded-with-ancient-egypt/ http://news.nationalgeographic.com/news/2009/08/photogalleries/galileos-telescope-pictures-anniversary/ http://www.telegraph.co.uk/science/space/9250628/Mars-was-covered-in-water-just-like-the-Earth.html http://glossi.com/afryer222/57505-mars-by-aj?tkn=0253bdcc7a97423bb60863a3c1c65b77&eb=afryer222 http://mars.nasa.gov/allaboutmars/nightsky/nightsky03/ http://www.jpl.nasa.gov/releases/2003/32.cfm http://www.space.com/16903-mars-atmosphere-climate-weather.html