Chapter 46637P46.44The density of the Universe isρρπ==FHGIKJ120382..cHG.Consider a remote galaxy at distance r. The mass interior to the sphere below it isMrHGrHrG=FHGIKJ=FHGIKJFHGIKJ=ρπ433843060032323..both now and in the future when it has slowed to rest from its current speed vHr=. The energy ofthis galaxy-sphere system is constant as the galaxy moves to apogee distance R:1202mvGmMrGmMR−=−so12022mH rGmrGGmRG−FHGIKJ=−FHGIKJ−0 1000 600rRsoRr=600The Universe will expand by a factor of .from its current dimensions.P46.45(a)kTmcpB≈22soTkp≈=××FHGIKJ−−229383138 10160 10102231313BMeVJKJ1 MeVK...~afej(b)eB≈22soTke××FHGIKJ−−220511
This is the end of the preview. Sign up
access the rest of the document.
This note was uploaded on 12/15/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .