This picture was taken by the Hubble Telescope. It is a picture of gas knots found in the Helix Nebula. They can also be found in the Ring Nebula, Dumbbell Nebula, and the Eskimo Nebula. The source of these knots is sill not known very well; however, there is hypothesis that they are driven out by stellar winds. These knots have masses similar to Earth's, but the radii are about the size of Pluto's orbit. The Helix Nebula is about 700 light-years away in the Aquarius constellation. This picture is so beautiful; it almost looks like the ocean.
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