关于这张图
View a video clip zoom in on galaxy ESO 306-17 here: <a href="http://www.flickr.com/photos/gsfc/4409589832/">www.flickr.com/photos/gsfc/4409589832/</a> This image from the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope highlights the large and bright elliptical galaxy called ESO 306-17 in the southern sky. In this image, it appears that ESO 306-17 is surrounded by other galaxies but the bright galaxies at bottom left are thought to be in the foreground, not at the same distance in the sky. In reality, ESO 306-17 lies fairly abandoned in an enormous sea of dark matter…
