Astronomy Picture of the Day: 10/4/13 - Bubbles in NGC 4438

References, sources, and further reading can be found here: http://www.fromquarkstoquasars.com/astronomy-picture-of-the-day-10413-bubbles-in-ngc-4438/

To read the full article, see: http://www.fromquarkstoquasars.com/astronomy-picture-of-the-day-10413-bubbles-in-ngc-4438/