Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...
Moreover, Royal Enfield has also launched new colour options for the Hunter 350 and Bullet 350. The manufacturer revealed a flex-fuel Classic 350 that can run on 25 percent petrol and 85 percent ...
Scientists believe the cooling from sulfates and other reflective aerosols overwhelms the warming effect of black carbon and other absorbing aerosols over the planet. Models estimate that aerosols ...