According to Clark (2012), Astronomers have measured the background light from all the stars in the cosmos and inferred the number of stars created since the dawn of the universe. The operation was performed using NASA’s Fermi Gamma-ray Space Telescope.
Emissions were detected from gamma ray emitting supermassive black holes at the centers
of galaxies to undertake the experiment. The study concluded that the universe has an average of 1.4 stars per 100 billion cubic light-years and first stars were formed when the universe was almost 400 million years old.
Study of stars, their formation and their count has always fascinated astronomers. Study of
stars lie at the heart of Astronomy and drives it in most of the cases. Star formation ...