Less than two months after they inaugurated the world’s largest telescope, astronomers have used one of the world’s most advanced telescopic instruments to gather images of the heavens. The handful of “first light” images include a yellow and blue orb-like structure that depicts our Milky Way galaxy, home to thousands of black holes — including, at its core, a “supermassive” black hole thought to be as massive as 4 million suns put together.