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VENUS

VENUS . By Catie Chappelle, Raymond Harty , and Darby McNally . Terrestrial or Jovian ?. Venus is a terrestrial planet It is known as Earth’s sister Second planet from the sun Named after the Roman goddes s of love. Basic Properties. 177.3° Tilt Rotates clockwise (Retrograde)

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VENUS

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  1. VENUS By Catie Chappelle, Raymond Harty, and Darby McNally

  2. Terrestrial or Jovian? • Venus is a terrestrial planet • It is known as Earth’s sister • Second planet from the sun • Named after the Roman goddess of love

  3. Basic Properties • 177.3° Tilt • Rotates clockwise (Retrograde) • 243 Earth days = 1 day on Venus • 225 days (the days are longer than a year) • 67,240,000 miles from the sun • 462° Celsius/863.3° Fahrenheit day or night • Mass of 4.867E24 kg (0.815 of Earth’s mass) • Density of 5.2 g/cm² (0.942 of Earth’s density)

  4. Composition & Structure • Atmosphere • 96.5 percent carbon dioxide, 3.5 percent nitrogen, with small amounts of sulfur dioxide, argon, water, carbon monoxide, helium and neon. • Magnetic Field • 0.000015 times that of Earth's field. • Internal structure • metallic iron core is 2,400 miles wide. • molten rocky mantle is 1,200 miles thick. • crust is mostly basalt, and is 6 to 12 miles thick. • No moon or rings

  5. Surface Features • The surface is extremely dry. • There is no liquid water on its surface because the heat would cause any to boil away. • Two-thirds percent of the surface is covered by flat, smooth plains and thousands of volcanoes, with lava. • Coronae, or crowns — ring like structures that range from roughly 95 to 360 miles wide. • Tesserae, or tiles — raised areas in which many ridges and valleys have formed in different directions.

  6. Discovery of Venus • So bright, it can be seen with the naked eye • Tracing who truly discovered it would be impossible • Galileo was first to observe Venus had a visible disk and that it had phases in 1610

  7. Missions to Venus • 22 Missions total • First Mission: Mariner 2 in 1962 -Flyby mission, first to flyby • Latest Mission: Venus Express in 2005 -Studied: Atmosphere, plasma environment, and surface of Venus. • Other Mission Types:-hard-landers, soft-landers, images of planet, Atmospheric balloon probes, and radar mappers.

  8. Works Cited • www.universetoday.com • www.nssdc.gsfc.nasa.gov/planetary/factsheet/venusfact.html • http://airandspace.si.edu/etp/venus/missions.html • http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/961205a.html

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