Hubble's Best Gravitational Lens - Universe Today
Quintuple quasar gravitational lens. Image credit: Hubble. Click to enlarge The most powerful telescopes in the Universe are relatively nearby galaxies, which warp and focus the light of more distant objects. Called gravitation lenses, which occur randomly, are a boon for astronomers as they allow powerful telescopes, like Hubble, to look even further out into … Continue reading "Hubble’s Best Gravitational Lens"