Saskia Reibe-Pal edited 2nd paragraph.tex  about 9 years ago

Commit id: c91808f74468b265eaab87015b034bf1e5856e26

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This implies that the YMCs must have gone through at least one full crossing time before their presently observed age. Using the crossing time equation, $t_{cross}=(GMr_{vir}^{-3})$ $t_{cross}=(GMr_{vir}^{-3})^{1/2}$