Astronomy How Would Be Kerr-Like Phantom Wormhole? (Cosmology / Astronomy) 30 Mar 202130 Mar 2021 Miranda and colleagues in their paper, studied a Kerr-like wormhole with phantom matter as source. It has three parameters: mass, angular momentum and scalar field charge. This wormhole has a…
Planetary Science Shadow of A Black Hole Part 1: Kerr BH (Planetary Science) 14 Mar 202114 Mar 2021 In 1973, James Bardeen initiated his research on gravitational lensing by spinning black holes. Bardeen gave a thorough analysis of null geodesics (light-ray propagation) around a Kerr black hole. The…
