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Different types of
STARS
Prepared by: Angelo Louis N. Escario
Grade 7 Jose
What is a star ?
What is a star ?
•Massive and very hot gas
•SOL
•200-400 billion stars
How are stars classified?
Physical features of stars are
described in comparison with
the sun
•Lifetime: 10 billion years
Physical Features of SUN
Lifetime: 10 billion years
Temperature: 5500 °C
Luminosity: 3.846 × 1026
Radius: 695,500
Kinds Of Stars
• Red Giant Star
• Neutron Star
• Black Hole
•Red Super Giant Star
•Blue Giant Star
Red Giant Star
Lifetime: 0.1-2 Billions Years
Temperature: 3000-5000 °C
Luminosity: 100-1000
Radius: 20-100
Blue Giant Star
Lifetime: 3 - 4,000 million years
Temperature: 7000-200000 °C°
Luminosity: 5.0-9000000
Radius: 1.4-250
Red Super Giant Star
Lifetime: 3-100 Millions Years
Temperature: 3000-5000ºC
Luminosity: 1000-800000
Radius: 100-1650
Nuetron Star
Lifetime: unknown
Temperature: < 2,000,000 ºC
Luminosity:~0.000001
Radius: 5-15
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shows-the-spectacular-30-Doradus-starforming-region-also-called-the-Tarantulahttp://leescience8.wikispaces.com/file/view/3 Nebula.-At-its-core-is-a-large-cluster-of-stars2_1_starlifecycle.jpg/223402568/32_1_starlife known-as-R-136-in-which-some-of-the-mostcycle.jpg
massive-stars-known-are-located.-This-infr960x666.jpg
http://d1jqu7g1y74ds1.cloudfront.net/wpcontent/uploads/2010/09/WISE-Reveals-aHidden-Star-Cluster.jpg
http://space.about.com/od/stars/tp/WhatAre-The-Different-Types-Of-Stars.htm
http://hubpages.com/hub/Different-Types-ofStars-in-the-Universe
http://luiscalcada.scienceoffice.org/wpcontent/uploads/2010/04/binaryblackHole.jpg
http://designspartan.com/wpcontent/uploads/2011/02/pres_tut212.jpg
http://www.compadre.org/Informal/images/fe
atures/Sun--surface-large.gif
http://fc02.deviantart.net/fs31/i/2009/131/8/
4/Kronos__Blue_Giant_by_SparkStudios.png