5 Amazing ! Video Universe All of the matter and energy that exists Everything (all of outer space)There are more stars in Universe than grains of sand in the worldGalaxy collection of stars and nebula contains 100’s of billions of stars Nebula cloud of dust and gas which condenses to form a new starAmazing !VideoVideo
6 Solar System- contains: (1) one star (sun)(2) planets, dwarf planets, moons(3) Asteroids, comets, meteoroidsNASA Planet Fact Site
7 Solar SystemThe Sun is Earth’s closest starThe Sun is the most massive body in our Solar SystemThe sun is an average-size star in the Milky Way Galaxy
8 How The Sun Produces Energy: Nuclear FusionHydrogen atoms fuse to form helium atomsLots of energy is given off in the process (7 forms of EM Radiation)H + H He + energyOpposite of Nuclear Fission
10 What Happened To Pluto. in Aug What Happened To Pluto? in Aug IAU (International Astronomical Union) changed the definition of a planetNASA Planet Fact SitePLANETOrbits the SunNearly RoundClears its own orbital path around the SunNow have 8 planetsDWARF PLANETOrbits the SunNearly RoundDoes not clear its own path around the Sun5 Dwarf Planets so far (hundreds more to come)Ceres, Pluto, Haumea, Makemake, ErisVideo clip
11 Inner Planets vs Outer Planets NASA Planet Fact SiteInner Planets vs Outer PlanetsSmall and RockySolid SurfaceLow massHigh DensityClose to sunClosely spaced orbitsFew moons (if any)No ringsTerrestrial PlanetsMercury,Venus,Earth,MarsLarge and GaseousNo solid surfaceHigh massLow DensityFar from sunSeparated orbitsMany moonsMany ringsGas giantsJupiter,Saturn, Uranus, NeptuneSize of planets video clip #2Size of planets video clip
12 Mercury Surface resembles the moon’s No Moon or Atmosphere (very thin, hardly any)Shortest Year (88 E days)Revolves faster than any other planet (107,000 mph) and has the shortest distance to travel around the SunLong DayRotates slowly takes 59 E. daysTemperature Range (greatest of any planet)High = 800F Low = -274F*Days and nights are long, so it has lots of time to heat up and cool down.NASA Planet Fact Site
13 **Day is Longer than a Year on Venus** No MoonAtmosphereVery thick clouds made of CO2 and Sulfuric AcidAtmospheric pressure is 91x greater than Earth’sSevere Greenhouse Effect because of thick Carbon DioxideHottest 900 FIt rains Sulfuric AcidDay (Longest of any Planet) 243 E. DaysYear 225 E. Days**Day is Longer than a Year on Venus**Video clipNASA Planet Fact SiteVenus rotates the opposite way
14 Mars The Red Planet, because of the iron oxide (rust) in its soil NASA Planet Fact SiteThe Red Planet, because of the iron oxide (rust) in its soilDay= 24.5 hrsYear= 1.9 Earth YearsDiameter = about ½ EarthNo Liquid water today???, although it is thought to have had water in the past. Evidence of dried riverbeds and erosion exists.2 Moons:Phobos (14 miles)Deimos (8 miles) probably captured asteroids
15 Mars (Continued)NASA Planet Fact SitePermafrost- The soil is permanently frozen. Lots of frozen water in the soilAtmosphere is very thin and made mainly of carbon dioxide.Doesn’t retain much heat from the Sun so its average temperature is -85 FThere are strong Dust storms on Mars
16 Mars (Continued) Interesting Features on Mars: Face Heart NASA Planet Fact SiteInteresting Features on Mars:FaceHeartHappy Face CraterWoman
17 Mars (Continued) Spacecraft: (some) Mariner 4 1st to visit in 1965 NASA Planet Fact SiteDrive ME!Spacecraft: (some)Mariner 4 1st to visit in 1965Viking I and II landed in 1976Mars Global Surveyor orbit in 1996Pathfinder in 1997 was 1st robotic rover on marsMars Odyssey orbit in 2001Spirit and Opportunity twin rovers in 2004Mars Reconnaissance Orbiter orbit in 2006Phoenix Lander landed in 2008clipclipvirtual mars
18 Asteroid Belt Video clip: How to prevent a collision? NASA Planet Fact SiteHundreds of thousands of rocks that orbit the sun between Mars and JupiterThought to be matter that failed to join with a planet because of Jupiter’s strong gravitational pull.Made of Rock and MetalIrregular shape (not spherical)Vary in sizeSmaller than planetsNone have atmospheresVideo clip: How to prevent a collision?
19 CometsNASA Planet Fact SiteLong elliptical orbits that take them far from the sun beyond Pluto and closer to the Sun than Earth.Made of Rock, Dust, and IceSmaller than planetsIrregular shapedDevelop a tail as they get close to the sun
20 Meteoroid Meteor Meteorite rocky objects; smaller than asteroids and cometsBroken off pieces of planets, moons, asteroids, or cometsNASA Planet Fact SiteMeteora meteoroid burning in Earth’s atmosphereseen as a flash of light“shooting star”Meteoritea meteor that does not completely burn up in the atmospherestrikes the ground
21 Jupiter Largest Planet Very thick atmosphere of H and He NASA Planet Fact SiteLargest PlanetVery thick atmosphere of H and He- 240 F at cloud topsThin ring systemOver 60 moons (4 major)Shortest day (10 hrs) poles flatten!Great Red Spot2-3x size of earthHurricane like storm going on for thousands of years
22 Saturn 2nd largest planet Will float in water (least dense planet) NASA Planet Fact Site2nd largest planetWill float in water (least dense planet)- 290 F at cloud topsOver 60 moonsVery thick atmosphere of H and HeMost extensive Ring system of any planetring particles are made almost entirely of water ice, with some contamination from dust and other chemicals.
23 Uranus and Neptune Thick atmosphere made of mainly H and He Both approx F at cloud topsBoth have thin ring systemsUranus is tipped on its side and has 27 moonsNeptune has 13 moonsNASA Planet Fact Site
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