Thursday, April 1, 2021

What mass should balance the force of electrostatic repulsion?

 A known electric charge, for example, + or - 1 coulomb, created by (a) electrons, (b) positrons, (c) protons, is distributed over the surface of a sphere of a known radius, for example, 1 m. What mass should be inside this sphere to balance the force electrostatic repulsion by gravitational force? Should it be a black hole or not?

Tuesday, March 30, 2021

🧲 Polarized Light in the Vicinity of the Supermassive Black Hole at the Center of Galaxy M87 🌉

Available Products

Brooklyn Roads Lyrics 🌉: Optical iLLusion - Abstract Art 🧲: Available Products Active T-Shirt $25.00 Baseball ¾ Sleeve T-Shirt $25.20 Classic T-Shirt $19.90 Graphic T-Shirt $28.22 Lightweight Hoodie $...