Tag Archive for Hanny’s Voorwerp

This Hubble image shows ghostly green filaments, lying within galaxy 2MASX J22014163+1151237. This filament was illuminated by a blast of radiation from a quasar - a very luminous and compact region that surrounds the supermassive black hole at the center of its host galaxy. Its bright green hue is a result of ionized oxygen, which glows brightly at green wavelengths. Image credit: NASA / ESA / W. Keel, University of Alabama.

Hubble Captures Mysterious ‘Quasar Ghosts’

Apr 2, 2015 by News Staff

Astronomers using the Hubble Space Telescope have photographed eight unusual looped structures – ephemeral ‘ghosts’ of quasars that flickered...

© 2011-2025. Sci.News. All Rights Reserved. | Back to top