Source: ESA/Hubble heic1216
Monster galaxy lacks a bright core.
Image credits: NASA, ESA, M. Postman (Space Telescope Science Institute, USA),
T. Lauer (National Optical Astronomy Observatory, USA), and the CLASH team.
Astronomers using the NASA/ESA Hubble Space Telescope have obtained a remarkable new view of a whopper of an elliptical galaxy, with a core bigger than any seen before. There are two intriguing explanations for the puffed up core, both related to the action of one or more black holes, and the researchers have not yet been able to determine which is correct. (read more)