ম্যাগাজিনঃ ইসলামী বিজ্ঞান-প্রযুক্তি বার্তা

  In the name of Allah, the Most Gracious, the Most Merciful. The   Center   for Pan  Islamic   Science &  Tech Research( CPISTR ) https://cpistr1441.blogspot.com    https://wmitou1440.blogspot.com Post Code No: 4100   Post Office : Bandar  P.S: Sadarghat,West Madarbari Chattagram (Chittagong) BANGLADESH Cosmology (Courtesy of Wikipedia, Encyclopedia) The  Hubble  extreme  Deep Field  (XDF) was completed in September 2012 and shows the farthest  galaxies  ever photographed. Except for the few stars in the foreground (which are bright and easily recognizable because only they have  diffraction spikes ), every speck of light in the photo is an individual galaxy, some of them as old as 13.2 billion years; the observable universe is estimated to contain more than 2 trillion galaxies. [1] Cosmology  (from the  Greek  κόσμος,  kosmos  "world" and -λογία,  -logia  "study of") is a branch of  astronomy  concerned with the studies of the origin and evolution of the  univ