Huge clusters of galaxies distort space-time to the point where they act like lenses. The light from more distant galaxies is distorted and amplified, giving astronomers the chance to see …
NASA’s James Webb Space Telescope discovered a multiple-image supernova named MRG-M0138 in a distant galaxy. Two supernova images (circled) are visible in the Webb NIRCam (Near Infrared Camera) image above, …
Nature, in her infinite creativity, provides natural astronomical lenses that allow us to see objects beyond the normal range of our telescopes. They’re called gravitational lenses, and a few years …