Beyond Our Solar SystemLagoon NebulaStellar ParallaxStellar ParallaxStellar ParallaxParallax angleStar Colors (time lapse photo)Equal Mass StarsOne is twice mass of otherStar temperature vs. magnitudePulsating magnitudeNova HerculisNova PerseiOrion NebulaPleiades star cluster has reflection nebulaHorsehead NebulaStellar evolutionLow mass starMedium mass starHelix NebulaEagle NebulaSupernova 1987ACrab NebulaVeil NebulaPart of Veil Nebula from Hubble Space TelescopeMassive starNeutron Star formationBinary pair of super giant and black holeMilky WayGreat Galaxy in AndromedaTypical spiral galaxiesBarred spiral galaxyCluster of galaxiesRaisin bread analogy of the expanding universeBeyond Our Solar SystemEarth Science 11thed.Pages 660-680Lagoon NebulaStellar ParallaxStellar ParallaxOriginal PhotoSix months laterStellar ParallaxParallax angle• 1 second of arc = 1/3600 of a degree• Closest star is 4.3 light years away• Light year is not a time period, it is a distance– How far light travels in a year– 9.5 trillion kilometers– 5.8 trillion milesStar Colors (time lapse photo)Equal Mass StarsOne is twice mass of otherStar temperature vs. magnitudePulsating magnitudeNova HerculisNova PerseiOrion NebulaPleiades star cluster has reflection nebulaHorsehead NebulaDark nebula in OrionStellar evolutionLow mass starMedium mass starHelix NebulaClosest planetary nebula to our solar systemLocated in AquariusEagle NebulaSupernova 1987ACrab NebulaVeil NebulaPhoto taken at Wiltshire, UK observatory• http://www.astrocruise.com/veil.htmPart of Veil Nebula fromHubble Space Telescope• http://hubblesite.org/gallery/album/Massive starNeutron Star formation• Pulsar movie link here• http://www.solstation.com/x-objects/crab-neb.htm• http://imgsrc.hubblesite.org/hu/db/1996/22/videos/b/formats/low_mpeg.mpgBinary pair of super giant and black holeMilky WayGreat Galaxy in AndromedaTypical spiral galaxiesBarred spiral galaxyCluster of galaxiesRaisin bread analogy of the expanding
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