Star SelectionStar Selection

Your Guide to Choosing the Star That’s Right for You

Your Guide to Choosing the Star That’s Right for You

Types of StarsTypes of StarsMain Sequence

90% of stars (Sun)Hydrogen to Helium

Giant & SupergiantsSun in 5 billion yearsHelium fusionStars you see in skySG end in supernova

White DwarfsDying star

Main Sequence90% of stars (Sun)Hydrogen to Helium

Giant & SupergiantsSun in 5 billion yearsHelium fusionStars you see in skySG end in supernova

White DwarfsDying star

http://www.projectcalico.com/images/HERTZSPRUNG-RUSSELL%20DIAGRAM-%2001%2001%2007.jpg

Hertzsprung-Russell Diagram

Life Cycle of a StarLife Cycle of a Star

Classes of StarsClasses of Stars

Classified by Spectral Type

Emit different light/heatO: Blue / 60,000º KB: Blue-white / 30,000º KA: White / 10,000º KF: Yellow-white / 7,500º KG: Yellow (Sun) / 6,000º KK: Yellow-orange / 5,000º KM : Red / < 3,500º K

Classified by Spectral Type

Emit different light/heatO: Blue / 60,000º KB: Blue-white / 30,000º KA: White / 10,000º KF: Yellow-white / 7,500º KG: Yellow (Sun) / 6,000º KK: Yellow-orange / 5,000º KM : Red / < 3,500º K

Stellar Spectral Types. Retrieved April 6, 2008, Web site: http://hyperphysics.phy-astr.gsu.edu/hbase/starlog/staspe.html

Exoplanets 2012Exoplanets 2012

Exoplanets 2014Exoplanets 2014