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Venus Earth’s Sister Planet- NOT

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Presentation on theme: "Venus Earth’s Sister Planet- NOT"— Presentation transcript:

1 Venus Earth’s Sister Planet- NOT

2 Venus ( Song By..)

3 Venus-Roman goddess of love, gorgeous star Aphrodite-Greek
Venus has phases like our Moon. Venus is always seen near the Sun as a "morning star" or "evening star". It’s bright light is a reflection from it’s clouds!!

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5 Venus Revolution Semimajor axis=.72 AU Very circular orbit
Orbital period=224

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7 closest size and composition to Earth Density ……5.25
Venus facts closest size and composition to Earth Density ……5.25 Axis Tilt…………….178o no moons

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9 Venus Retrograde Rotation: Venus is the only planet that rotates "backwards". (243 days for one rotation)

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15 Clouds are Nasty

16 Venus facts closest size and composition to Earth
hottest planet due to green house gasses (900 degrees F) no moons day is 243 days year is 224 days sulfuric acid atmosphere soviet Venera only lasted 30 minutes

17 Infrared View of venus Notice it has plenty of volcanic activity.

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19 The surface temperature on Venusis between 460 and 480 deg C, making it the hottest planet in the Solar System

20 Interior of Venus

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22 Venus The surface is completely hidden beneath a permanent cloud cover.

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31 Venera 14

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38 US Exploration of Venus
Mariner 2, 5 (1962, 1967) 35,000 km flyby Mariner 10 (1974) 6,000 km flyby Pioneer Venus (1978) atmospheric probes low resolution radar mapping Magellan 1990 high resolution maps excellent surface maps

39 Ishtar Terra Aphrodite Terra surface buckling
Terrain on Venus Ishtar Terra highland in Northern Hemisphere Aphrodite Terra surface buckling Mead Crater – largest crater on Venus Mona Lisa Crater

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42 1. Lava Domes or shield volcanoes 2. A Few Craters
Terrain of Venus 80% Venus is flat plains similar to basaltic ocean floor on Earth 2 uplift Plateaus or continent features Surface Features 1. Lava Domes or shield volcanoes 2. A Few Craters 3. no tectonic activity

43 Eruptions of very thick lava
Pancake Volcanoes Eruptions of very thick lava Sif Mons Active volcano

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45 Magnetic Field What two conditions are need for Magnetic Field
Metallic core Fast Rotation

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