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Stjernefødsel

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by

Maria Berge

on 6 March 2013

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Transcript of Stjernefødsel

- Hilde, Kristin og Maria Stjernefødsel Stjernefødsel Tåker Protostjerner Globuler Kilder Hva er en stjerne?
En stjerne dannes i tre trinn
Tåker
Globuler
Protostjerner Tåker (nebulaer) = 10-16 kg/m^3
Lyse tåker
Emisjonståker
Refleksjonståker
Mørke tåker Fortetning i en stjernetåke
Lite lys slipper gjennom http://stjerneliv.wikispaces.com/1.3+Protostjerner
http://no.wikipedia.org/wiki/Protostjerne
http://en.wikipedia.org/wiki/Bok_globule
http://stjerneliv.wikispaces.com/1.2+Globuler
http://www.taf-astro.no/arkiv/artikler/deepsky/morke_taaker/morke_taaker.htm
http://stjerneliv.wikispaces.com/1.1+T%C3%A5ker
http://astrofysikk2st.wikispaces.com/Stjernef%C3%B8dsel Likevekt i tåker og globuler
Gravitasjonskraft dominerer -> tåken blir mer konsentrert
Økt temperatur og termisk stråling
Fusjonsprosseser begynner -> stjernens fødsel
Full transcript