Detail View: NASA Astronomy Picture of the Day Collection: Small Galaxy NGC 4449

Small Galaxy NGC 4449
Grand spiral galaxies [ ] often seem to get all the glory. Their newly formed, bright, blue star clusters along beautiful, symmetric spiral arms are guaranteed to attract attention [ ]. But small irregular galaxies form stars too, like NGC 4449, located [ ] about 12 million light-years away. The well-studied [ ] galaxy is similar in size, and often compared to our Milky Way's satellite galaxy, the Large Magellanic Cloud [ ] (LMC). This lovely color image [ ] shows NGC 4449's general bar shape, also characteristic of the LMC, with scattered young blue star clusters. Near the bottom is the pinkish glow of atomic hydrogen gas, the telltale [ ] tracer of massive star forming regions. NGC 4449 is a member of a group of galaxies [ ] found in the constellation Canes Venatici. In fact, interactions with nearby galaxies [ ] are thought to have influenced star formation in NGC 4449.
Credit and Copyright: 
Dietmar Hager [ index.html ]
Goddard Space Flight Center (GSFC)
Canes Venatici
original url: