Planets, Moons & Planets, Moons & LiquidsLiquids

Steven K. CroftSteven K. CroftNational Optical Astronomy National Optical Astronomy

ObservatoryObservatory

What Are Planets Made What Are Planets Made Of?Of?

What About Phase?What About Phase?Solid - Liquid - GasSolid - Liquid - Gas

Water Phase DiagramWater Phase Diagram

EarthEarth

Effects of Water - VegetationEffects of Water - Vegetation

Effects of Water - ErosionEffects of Water - Erosion

Effects of Water - ErosionEffects of Water - Erosion

Effects of Water - ErosionEffects of Water - Erosion

Effects of Water - FloodsEffects of Water - Floods

Water-Carved “Islands”Water-Carved “Islands”

Water-less FallsWater-less Falls

Outlet - Columbia GorgeOutlet - Columbia Gorge

Columbia Gorge VistaColumbia Gorge Vista

Columbia Floods - OriginColumbia Floods - Origin

VenusVenus

Water Phase Diagram AgainWater Phase Diagram Again

Surface of VenusSurface of Venus

Surface of Venus - FeaturesSurface of Venus - Features

Surface of Venus - No WaterSurface of Venus - No Water

MarsMars

Mars Temperature MapMars Temperature Map

Water Phase Diagram - Yet Water Phase Diagram - Yet AgainAgain

Mars DrainageMars Drainage

Dry Mars River BedsDry Mars River Beds

Mars Dry ChannelsMars Dry Channels

Water Seeps on Mars?Water Seeps on Mars?

Jupiter, Anyone?Jupiter, Anyone?

Or Saturn?Or Saturn?

Jupiter TemperaturesJupiter Temperatures

Hydrogen Phase DiagramHydrogen Phase Diagram

All the GiantsAll the Giants

Giant Planets - the Inside Giant Planets - the Inside StoryStory

Titan - One “For The Books”Titan - One “For The Books”

Landing on TitanLanding on Titan

Closing InClosing In

Land Ho!Land Ho!

To The EastTo The East

On the SurfaceOn the Surface

At The North PoleAt The North Pole

LakeshoreLakeshore

Titan TemperaturesTitan Temperatures

Methane Phase DiagramMethane Phase Diagram

Stranger Than FictionStranger Than Fiction

Planets, Liquids & LifePlanets, Liquids & LifeSimilar PhasesSimilar Phases -Similar Processes-Similar Processes -Similar Landforms-Similar Landforms

Liquids meanLiquids mean -Chemistry-Chemistry -Life (water-based, -Life (water-based,

other?)other?)