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The Earth And Solar System
- 1. 30/10/16 Made By Prateek Vyas The Earth And Solar System ● TOPIC COVERED ● The Big Bang Theory ● Solar system and Galaxy ● Origin of solar system ● Planets ● Sun and favorable conditions for life. ● Earth Formation ● Interstitial And Jovian Planet ● Other Sun And Planetary System
- 2. 30/10/16 Made By Prateek Vyas The Big Bang Theory (by Georges Lemaître ) ● Time began ~14 Ga ● All mass single mass ● Mass explosion fundamental particles ● Particle cool and combine(form H & He) ● Formation of Galaxies ● Universe is still Expanding
- 3. 30/10/16 Made By Prateek Vyas Galaxies ● Our Galaxy name Milky way ● Number of Galaxies 1011 ● Number of star in one Galaxy = 109 ● Total number of stars = ~1020
- 4. 30/10/16 Made By Prateek Vyas Origin Of Solar System ● Topic Covers ● Nebulae hypothesis. ● The sun. ● Favorable condition for life. ● Terrestrial Planet and Jovian Planets. ● Formation of Earth and Moon.
- 5. 30/10/16 Made By Prateek Vyas Nebulae Hypothesis ● By Immanual kant and Laplace independently ● Nebulae is a pillar like clouds of H & He ● According to Nebulae Hypothesis solar system is form as follows 1)Nebulae contract under force of Gravity 2)Temperature at center increase and form protosun 3)Momentum of system increases 4)System become stable disk (momentum = gravitation) 5)Planetestimal combine and form Planets
- 6. 30/10/16 Made By Prateek Vyas Nebulae Hypothesis ● Click on link below to understand Nebulae hypothesis or Scan QR code ● http://www.edugen.com:30120/geodiscoveries/resou
- 7. 30/10/16 Made By Prateek Vyas The Sun ● Sun is massive glowing ball of plasma. ● Volume 1.3 million times of Earth.→ ● Diameter 109 times of Earth.→ ● Outer temperature 5800 kelvin→ ● Inner temperature 15 X 10→ 6 kelvin ● Mass 2 X 10→ 30 Kg (3000000 times of Earth) ● Density 1.4 g/cm→ 3 ● Distance between Earth and Sun 1 Au→ 149600000 km→
- 8. 30/10/16 Made By Prateek Vyas Favorable conditions for life. ● Perfect distance from sun. ● Gravity for air(mass of planet). ● The angle of earth(for weathering ) . ● Differentiation of Planet. ● Volcanic activity.
- 9. 30/10/16 Made By Prateek Vyas Differentiation of Earth (formation of Earth & moon) ● It explain the formation of core , outer core and crust. ● It also explain formation of moon. ● It includes different steps.
- 10. 30/10/16 Made By Prateek Vyas Differentiation of Earth ● 4.6 Ga Mars like planet collide with earth. ● The whole earth become molten. ● Lighter material come up and heavier material go inside.
- 11. 30/10/16 Made By Prateek Vyas Differentiation of Earth ● Collision give tilt to earth. ● Tilt give summer and winter of Earth. ● Moon forms ● Outer surface cools ● Inner earth is hot
- 12. 30/10/16 Made By Prateek Vyas Differentiation of Earth ● Inner core is solid due to high pressure. ● Outer core is molten due to temperature condition. ● Outer core provide magnetism.
- 13. 30/10/16 Made By Prateek Vyas Differentiation of Earth ● Magnetism of earth protect us from solar winds. ● video
- 14. 30/10/16 Made By Prateek Vyas Inner planet and Jovian planets ● Inner planet ● Made of silicates and metals ● Density is high(highest:- 5.5) ● Generally small ● Revolution around sun is rapid ● Unique: Venus ● Outer planet ● Made of H,He and other gases. ● Density is low ● Generally large ● Revolution around sun is slow ● Unique : Saturn,Jupiter
- 15. 30/10/16 Made By Prateek Vyas References ● Understanding Earth Paperback John Grotzinger (Author), Thomas H. Jordan (Author) ● The Blue Planet: An Introduction to Earth System Science Book by Brian J. Skinner ● Visualizing-Geology-3rd-Edition-Barbara-W- Murck.