When Galaxies Collide: How The First Super-Massive Black Holes Were Born - Two black holes merge to become a supermassive black hole. It is thought that the first supermassive black hole was created 13 billion years ago.
Peering deep into the core of the Crab Nebula, this close-up image reveals the beating heart of one of the most historic and intensively studied remnants of a supernova, an exploding star. The inner region sends out clock-like pulses of radiation and.
Liquid sodium agitated gently in a rotating tank can significantly amplify a magnetic field. The experiment is the first step toward demonstrating a self-sustaining field in a low-turbulence fluid, which may be analogous to Earth’s core.
NASA Astronomy Picture of the Day 2016 June 22 Cirrus over Paris What’s that over Paris? Typically, cirrus clouds appear white or gray when reflecting sunlight, can appear dark at sunset (or sunrise) against a better lit sky. Cirrus are among.