We've spotted the strongest microwave laser in the known universe
• This image combines views from the Hubble and Keck II telescopes. • A galaxy in the foreground, which appears as a diagonal line, is acting as a gravitational lens. • The ring sh
• This image combines views from the Hubble and Keck II telescopes. • A galaxy in the foreground, which appears as a diagonal line, is acting as a gravitational lens. • The ring sh