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Detailed explanation-1: -The galaxy, called SPT0418-47, is so far away that it took billions of years for its light to reach Earth and so our image of it is from deep in the past, said the European Southern Observatory (ESO), which was involved in the discovery.

Detailed explanation-2: -964 - Abd al-Rahman al-Sufi (Azophi), a Persian astronomer, makes the first recorded observations of the Andromeda Galaxy and the Large Magellanic Cloud in his Book of Fixed Stars, and which are the first galaxies other than the Milky Way to be observed from Earth.

Detailed explanation-3: -Observation history. The earliest recorded observation of the Andromeda Galaxy was in 905 by the Persian astronomer ‘Abd Al-Rahman Al Sufi, who described it as a “small cloud". Star charts of that period have it labeled as the Little Cloud.

Detailed explanation-4: -Galileo was the first to see the Milky Way Galaxy in 1610 as individual stars through the telescope.

Detailed explanation-5: -What Kinds of Galaxies Are There? Astronomers classify galaxies into three major categories: elliptical, spiral and irregular. These galaxies span a wide range of sizes, from dwarf galaxies containing as few as 100 million stars to giant galaxies with more than a trillion stars.