In Chile's Atacama Desert, under one of the clearest skies on Earth, scientists peer into the vast expanse of the Milky Way. The galaxy conceals an astonishing number of stars—estimated to be around 100 to 400 billion. Yet, from this prime astronomical vantage point, only about 2,500 stars can be seen with the naked eye on a clear night.Astrophysicists continue to marvel at this intergalactic spec...More