muneebartist

Stage   1:   Birth   in a Protoplanetary Disk Origin:   Planets   start  their  life  in  massive   clouds   made  up of  gas  and  dust  in  space . These  clouds  are  very   cold  and  thick . Star Formation:   Gravity   pulls   parts  of these  clouds   together ,  forming   young   stars . Around  these  stars ,  leftover   material   spins   around ,  creating  a  disk   called  a  protoplanetary   disk . Dust  to  Planetesimals :   Small   dust   particles   stick   together  when they  collide . They  grow  into  pebbles ,  then   rocks , and  finally  into  large   objects   called   planetesimals , which are  about  a  kilometer  in ...

Pakistan  has  a  wide   variety  of  growing   higher   education   institutions , with  many   universities   gaining   recognition   worldwide  for their  academic   quality ,  research , and  innovative   approaches .   Here 's a  closer   look  at some of the  best   universities  in Pakistan as of 2025: Top  Universities in Pakistan (2025 Rankings) 1. Quaid-i-Azam University (QAU), Islamabad Global Ranking: #454 Acceptance   Rate :   Approximately  10% Strengths :   Physical   sciences ,  biological   sciences ,  law ,  computer   science , and  humanities Highlights :   Situated   close  to the Margalla Hills, QAU has  strong   ties  with  international   institutions  and  offers   reasonably   priced   tuition 2. National...

The  story  of  business  is a  captivating   look  at  human   creativity ,  trade , and  change .   Here 's an in- depth   overview  of how the  world  of  business  has  developed  over  time : Ancient Foundations Barter Systems: In  places  like Mesopotamia, Egypt, and the Indus Valley,  people   started   trading   goods  and  services  without  using   money . Trade Networks: The Silk Road and  sea   routes   linked   powerful   empires   such  as Rome, China, and India, which helped  spread   goods  and  ideas  across  great   distances . Currency  Emergence: To  make   trade   easier  and  more   efficient ,  people   began   using   coins  and  standardized   money , which  made...

Let 's   explore   the   amazing   story   of   dinosaurs —a   long   and   interesting   journey   that   lasted   hundreds   of   millions   of   years . Origins : The  Start  of  Dinosaurs Dinosaurs   first   appeared  during the Late Triassic Period,  about  230 million  years   ago . They   came   from a   group   of   reptiles   called   archosaurs , which   also   led   to the   evolution   of   crocodiles   and   birds . At  first ,  dinosaurs  were  small  and  walked  on two  legs , but they  soon   became   more   varied  in  size  and  shape . Mesozoic Era: The Time of Dinosaurs This  era  is  broken  down into three  parts : 1. Triassic Period (252–201 million...