html5-img
1 / 13

BATTLE OF THE PLANETS

BATTLE OF THE PLANETS. EARTH vs JUPITER. Small... Rocky... Liquid water... Breathable Atmosphere. Huge... Gassy... - 160 o C... ...can you breathe ammonia & methane?. solar nebular theory. Nebula collapses due to gravity... Forms spinning disk with protosun in middle...

cameron-white
Télécharger la présentation

BATTLE OF THE PLANETS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. BATTLE OF THE PLANETS EARTH vs JUPITER

  2. Small... Rocky... Liquid water... Breathable Atmosphere... Huge... Gassy... - 160o C... ...can you breathe ammonia & methane?

  3. solar nebular theory • Nebula collapses due to gravity... • Forms spinning disk with protosun in middle... • Planetesimals form in disk... • Protoplanets develop; denser matter gathers closer to center, while less dense matter accretes in the periphery... • Fusion begins & blows away left-over dust & gas.

  4. Inner planets contain large percentages of heavy elements (Fe, Ni). Mercury, Venus, Earth & Mars. Small, rocky dense. Outer planets formed far away from sun (COLD!); kept their gases (H, He) and ices (methane, ammonia). Jupiter, Saturn, Uranus, Neptune. Large, gassy, low density. Inner & Outer planets

  5. Earth is...SO HOT!!! • HEAT from collisions (all those small planetesimals banging into each other. • HEAT from weight of layers piling on top of each other. • HEAT from decay of radioactive materials within Earth.

  6. DIFFERENTIATION HEAT caused early Earth materials to be in a molten state. Dense material (Fe, Ni) sank towards center... Less dense material (Si) winds on top. Core...mantle...crust.

  7. Atmosphere • Less dense gases (H, He) rise to top & become first Earth atmosphere; doesn’t last long (too light to be held by gravity). • OUTGASSING from volcano eruptions releases water vapor, CO2, N2, CH4, SO2, NH4 to form second atmosphere. • As life develops, organisms use CO2 during photosynthesisto arrive at present-day O2atmosphere.

  8. Where did all that water come from? Where did all that water come from?

  9. Maybe from outer space! • THEORY: Comets struck Earth, bringing ice/water to atmosphere. • Rain resulting from comet ice/water gave Earth the oceans. • Salt in oceans comes from land runoff. • ...or maybe the water came from volcanoes...?

  10. BATTLE OF THE PLANETS (part II) EARTH vs Mars

  11. Year = 365 days Mt Everest: 8 km high Plenty of malls... All your friends are here Year = 687 days (you’d only be 8 yrs old...) Olympus Mons: 24 km Possibility of H2O...

More Related