Seyfert galaxies are one of the two largest groups of active galaxies, along with quasar host galaxies. They have quasar-like nuclei (very luminous sources of electromagnetic radiation …

Oct 6, 2019 · A schematic diagram showing the ionizing radiation field over the south galactic hemisphere of the Milky Way, disrupted by the Seyfert flare event. Image via Bland …

Oct 7, 2019 · A "Seyfert flare", is not really a common term, but the authors refer to an energetic outburst from the type of active galaxies called Seyfert galaxies (after Carl Seyfert). Like a …

Oct 6, 2019 · A cataclysmic energy flare ripped through our galaxy, the Milky Way, about 3.5 million years ago, a team of astronomers say. The so-called Seyfert flare started near the …

Oct 7, 2019 · According to the team, the Seyfert flare lasted for perhaps 300,000 years and was so powerful that it impacted on the Magellanic Stream, a long trail of gas extending from …

Oct 7, 2019 · According to a study to be published Oct. 8 in the preprint journal arXiv.org, the Fermi bubbles were created by an epic flare of hot, nuclear energy that shot out of the galaxy's …

Jun 3, 2020 · About 3.5 million years ago, a so-called Seyfert flare from Sagittarius A*, Milky Way’s supermassive black hole, created two enormous ionization cones that sliced through …

Oct 8, 2019 · A powerful energy flare sprang out of the center of the Milky Way about 3.5 million years ago, findings of a new research suggest.. Seyfert Flare. The phenomenon known as …

Oct 4, 2019 · The shockwaves of this colossal flare - called a Seyfert flare - can be observed today in the Magellanic Stream, a high-velocity stream of gas extending from the Large and …

Seyfert galaxy, any of a class of galaxies known to have active nuclei. Such galaxies were named for the American astronomer Carl K. Seyfert, who first called attention to them in 1944. Two …