A Beauty That Hides a Beast

I've seen (and posted) so many pictures of spiral galaxies that it takes a lot to really get me to say, "Wow". WOW. This image stopped me in my tracks. It's NGC 6814, a large spiral galaxy about 75 million light years from Earth. It's a hair smaller than our Milky Way, about 90,000 or so light years in diameter, and it's a real beauty. This image was taken using Hubble Space Telescope, and it's an unusual combination of colors. What's displayed as blue is actually yellowish light at 555 nanomete...