Tag Archive for 'Compact elliptical galaxy'

Hubble’s visible-light image of the compact elliptical galaxy Markarian 1216. Image credit: NASA / STScI.

Markarian 1216: Isolated Galaxy Has Dark Matter-Rich Core

Jun 6, 2019 by News Staff

Markarian 1216 (Mrk 1216 for short) is a compact elliptical galaxy about 316 million light-years away. New data from NASA’s Chandra X-ray Observatory...

This image illustrates the creation of a runaway galaxy. In the first panel, an ‘intruder’ spiral galaxy approaches a galaxy cluster center, where a compact elliptical galaxy already revolves around a massive central elliptical galaxy. In the second panel, a close encounter occurs and the compact elliptical receives a gravitational kick from the intruder. In the third panel, the compact elliptical escapes the galaxy cluster while the intruder is devoured by the giant elliptical galaxy in the cluster center. Image credit: NASA / ESA / Hubble Heritage Team.

Astronomers Discover 11 Runaway Galaxies

Apr 24, 2015 by News Staff

Dr Igor Chilingarian of Harvard-Smithsonian Center for Astrophysics and his colleague, Dr Ivan Zolotukhin of the L’Institut de Recherche en Astrophysique...