Upload
lorraine-hawkins
View
217
Download
0
Tags:
Embed Size (px)
Citation preview
The Solar SystemThe Solar System
19.00.a1
MercuryMercury
SunSun
VenusVenus
EarthEarth
MarsMars
Asteroids
Asteroids
JupiterJupiter
SaturnSaturn
UranusUranus
NeptuneNeptune
Other objectsOther objects
Observe our solar systemObserve our solar system
Four inner planets Four inner planets called called terrestrial planetsterrestrial planets
Four outer planets are Four outer planets are called called gas giantsgas giants
Relative sizes and distances Relative sizes and distances are not to scale!are not to scale!
19.01.a
Images of Saturn using various Images of Saturn using various processing methodsprocessing methods
Images of Mars with and Images of Mars with and without a dust stormwithout a dust storm from from the Hubble telescope that the Hubble telescope that orbits Earthorbits Earth
Observations Using TelescopesObservations Using Telescopes
19.01.bRadar of Venus shows Radar of Venus shows bright areas (rough) and bright areas (rough) and darker areas (smooth)darker areas (smooth)
Radio waves sent from Radio waves sent from spacecraft to surfacespacecraft to surface
Waves reflect back Waves reflect back if surface is rough if surface is rough or faces or faces spacecraftspacecraft
Waves bounce awayWaves bounce away if surface smooth or surface smooth or slopes away from slopes away from spacecraftspacecraft
Using Radar to Study Planetary SurfacesUsing Radar to Study Planetary Surfaces
19.01.c1
Remotely Observing Temperature and CompositionRemotely Observing Temperature and Composition
Measure infrared energy given off: calculate temperature of Measure infrared energy given off: calculate temperature of surface or mineral compositionsurface or mineral composition
Reds show Reds show warmer warmer areas, blues areas, blues are coolerare cooler
Blue crater Blue crater floor inferred floor inferred to be loose to be loose sediment that sediment that cooled quicklycooled quickly
19.01.d
Remotely exploring planets and Remotely exploring planets and moons using landersmoons using landers
Geologist collecting samples Geologist collecting samples on Moonon Moon Remotely Remotely
exploring Mars using roversexploring Mars using rovers
Exploring the Exploring the Surfaces of Other Surfaces of Other
Planets and MoonsPlanets and Moons
Channel
Channel
Ice capIce cap
DustDust
BedrockBedrock
19.03.d
Enough atmosphere to Enough atmosphere to maintain ice capsmaintain ice caps
Dust and sand cover Dust and sand cover much of surface: much of surface: dust storms and dust storms and dunesdunes
Mostly basalt lava with Mostly basalt lava with some sedimentary rockssome sedimentary rocks
Evidence of Evidence of flowing water flowing water in pastin past
Mars, the Red PlanetMars, the Red Planet
19.08.a
The Geology of MarsThe Geology of MarsValles Marineris riftValles Marineris rift
Slope failuresSlope failures Layered rockLayered rockDunes in craterDunes in crater
Largest volcanoLargest volcano
Outflow Outflow channelschannels
19.08.b
What Have We Learned from Landers and Rovers on Mars?What Have We Learned from Landers and Rovers on Mars?
Mars Mars roversrovers
Investigate Investigate composition, composition, temperature, temperature, and takes and takes photosphotos
Layered rocksLayered rocks
MeteoriteMeteorite
Layered rocks (reflect water?)Layered rocks (reflect water?)
Spheres of hematiteSpheres of hematite
What Can We Observe About a Planet or Moon?What Can We Observe About a Planet or Moon?
19.02.a
AtmosphereAtmosphereCompositionComposition ImpactsImpacts
TectonicsTectonics VolcanismVolcanism Erosion and depositionErosion and deposition
19.02.b
Impact forms crater and Impact forms crater and fractures rocksfractures rocks
Object from space collides with Object from space collides with surface, as comet did on Jupitersurface, as comet did on Jupiter
Crater surround by Crater surround by apron of ejected piecesapron of ejected pieces
Impacts and CratersImpacts and Craters
19.02.d
Weathering and erosionWeathering and erosion
Deposition Deposition and slope and slope failuresfailures
WindWind
How Water and Wind Modify a Planet’s SurfaceHow Water and Wind Modify a Planet’s Surface
19.02.m1
More craters More craters indicate surface indicate surface exposed longerexposed longer
Smoother surfaces Smoother surfaces modified later by modified later by tectonics, volcanism, tectonics, volcanism, erosion, or deposition erosion, or deposition
Crater abundance Crater abundance (density) tells us (density) tells us relative age of relative age of surfaces surfaces
What can the abundance of craters tell us about the What can the abundance of craters tell us about the age of a surface?age of a surface?