-- card: 10808 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 2623 -- name: -- part contents for background part 30 ----- text ----- 90 -- part contents for background part 31 ----- text ----- 27 -- part contents for background part 32 ----- text ----- 29 -- part contents for background part 13 ----- text ----- For a star to be stable, the inward force of its self-gravity must be balanced by the -- part contents for background part 14 ----- text ----- cosmic rays from the surface -- part contents for background part 15 ----- text ----- pulsation in the interior -- part contents for background part 16 ----- text ----- neutrino flux -- part contents for background part 17 ----- text ----- pressure from the interior -- part contents for background part 25 ----- text ----- 4 -- part contents for background part 27 ----- text ----- Sorry, no explanation for this question as been entered. -- part contents for background part 38 ----- text ----- false