Strands of molecular hydrogen, known as cometary knots, in the Helix Nebula
Image copyright: NASA
In the Centre of the Lagoon Galaxy
Credit: Hubble Legacy Archive, NASA, ESA, Judy Schmidt
To find out more, visit: http://apod.nasa.gov/apod/astropix.html
ლ(ಠ益ಠ)ლ That is definitely a nebula, not a galaxy. The title in the source link even says "nebula!"