A billion stars at night are so big and bright.. Deep in the…

A billion stars at night are so big and bright.. Deep in the heart of our universe.. European Space Agency’s Gaia satellite has been used to create the most complete sky map of all time. The mission, launched in 2013, has been collecting data for just a year and is not yet complete. But scientists … Read moreA billion stars at night are so big and bright.. Deep in the…