Karla Segura Ch. · @CRKARLA
16th Jan 2013 from Twitlonger
#ChandraXray @chandraxray Stars shine as a result of nuclear reactions. As its nuclear energy supplies r used up, it evolves toward an end state: http://s.si.edu/gSjLL
16th Jan 2013 from Twitlonger
#ChandraXray @chandraxray Stars shine as a result of nuclear reactions. As its nuclear energy supplies r used up, it evolves toward an end state: http://s.si.edu/gSjLL