Webb telescope spies the Milky Way’s black hole constantly ‘bubbling’ with light
The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...