Changes between Version 33 and Version 34 of u/erica/radtimescales


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Timestamp:
04/04/16 16:34:34 (9 years ago)
Author:
Erica Kaminski
Comment:

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  • u/erica/radtimescales

    v33 v34  
    265265How long it takes the gas density to changes in response to changes in thermal energy corresponds to the crossing time, for some appropriate length scale.
    266266
    267 ''' Freefall time '''
     267= Freefall time =
    268268
    269269Material in the core will fall onto the star if it is Jeans unstable (or it can fragment). An estimate for the time it will take to 'collapse' onto the star is given by the freefall time: