A nearby galaxy, IC 5152
AAO image reference AAT 43
Top left is NE. Image width is about 9 arc min
Image and text © Anglo-Australian Observatory, Photograph by David Malin.
This small blue galaxy is resolved into stars in this deep AAT picture, which means that it is relatively nearby. However despite its proximity, it is probably just beyond the Local Group, which is a loose collection of 30 or so galaxies within 2 or 3 million light years of the Milky Way. Apart from the Milky Way and the similarly massive M31 galaxy in Andromeda, most of our immediate extra-galactic neighbours are light-weight collections of stars and gas like IC 5152, though few (except the Large Magellanic Cloud) show such strong evidence of recent star formation The bright object which appears at the eastern end of the galaxy is an 8th magnitude blue star in the Milky Way. |
置顶卡
变色卡
千斤顶
显身卡