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Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
Solar System
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Solar System

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Solar system

Solar system

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  • Transcript

    • 1.  
    • 2.  
    • 3. Earth
    • 4. Atmosphere … Gives us the air we breathe
    • 5. Protects us from meteorites and harmful cosmic radiation
    • 6. Blanket covering the Earth from heat at day and cold at night
    • 7.  
    • 8. Bye-bye, Earth!
    • 9. Hi Mercury!
    • 10. Mariner 10: images of Mercury
    • 11. 4.6 billion years ago: Heavy Bombardment
    • 12. Barringer crater, Arizona 49,000 yr old Iron meteorite of size 50 m, mass 300,000 ton Impact velocity 11 km/sec Our Earth is a target, too!
    • 13. 150 known impact sites on Earth Diameters from 50-70 m to 200 km
    • 14. 65 million years ago a huge meteorite of 10 km size hit the Earth
    • 15.  
    • 16. <ul><li>World-wide fires </li></ul><ul><li>1-km-hign tsunamis </li></ul><ul><li>Acid rains and atmospheric pollution </li></ul><ul><li>Darkness and severe winter for many decades </li></ul>¾ of all living species have been killed
    • 17.  
    • 18. Our Moon could have been formed in a giant collision 4.5 billion years ago
    • 19.  
    • 20. The Peekskill meteorite October 9, 1992 12 kg stony meteorite hit the Earth
    • 21. Venus the Beautiful
    • 22. Venus - the brightest &quot;star&quot; The goddess of beauty
    • 23.  
    • 24. Venus and Earth - sister planets?
    • 25.  
    • 26. Flight over Venus
    • 27. Fig. 17-3a, p.349 Greenhouse for trapping heat Runaway greenhouse effect
    • 28. Atmosphere lets the visible sunlight in, but traps infrared radiation and prevents rapid cooling of the surface at nights
    • 29.  
    • 30.  
    • 31. &quot;It will be possible to see cities on Mars, to detect navies in [its] harbors, and the smoke of great manufacturing cities and towns... Is Mars inhabited? There can be little doubt of it ... conditions are all favorable for life, and life, too, of a high order. Is it possible to know this of a certainty? Certainly.&quot; Samuel Leland 1895 Seasons on Mars? Channels for irrigation ???
    • 32. Sorry, no channels – just dry canyons, lava flows and dusty deserts …
    • 33.  
    • 34. Dry riverbeds, traces of flooding
    • 35. No water, just dry desert …
    • 36. Salty rocks on Mars: former sea bottom
    • 37.  
    • 38. Journey to outer planets 8 billion miles through space!
    • 39. Giant planets
    • 40. Jupiter – the biggest planet
    • 41. The Red Spot
    • 42.  
    • 43. Io Europa Ganymede Callisto Total 61 moons discovered so far Most are captured small asteroids Galilean moons:
    • 44.  
    • 45. Europa – a giant skating rink
    • 46.  
    • 47. Io – giant volcanoes
    • 48.  
    • 49.  
    • 50. Saturn – second largest planet So fluffy – it could float in water
    • 51. Enormous winds: 1800 km/hr !! The Great White Spot: huge storm
    • 52. Thickness: less than 1 km Extend from 74,000 to 137,000 km Discovered by Huygens in 1659 Saturn rings
    • 53.  
    • 54. Flying through the rings
    • 55. Titan, the mysterious moon of Saturn
    • 56.  
    • 57. Uranus
    • 58. What happened to Miranda?
    • 59. Neptune
    • 60. Triton
    • 61.  
    • 62. Pluto and Charon
    • 63.  
    • 64.  
    • 65. The Kuiper Belt – home for short-period comets?? Starting in 1992, astronomers have become aware of a vast population of small bodies orbiting the sun beyond Neptune. There are at least 70,000 &quot;trans-Neptunians&quot; with diameters larger than 100 km in the radial zone extending outwards from the orbit of Neptune (at 30 AU) to 50 AU.
    • 66.  
    • 67.  
    • 68.  
    • 69.  

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