Comet and Orion
http://apod.nasa.gov/apod/ap091002.html
These pictures show a come traveling across the Great Orion Nebula over the course of one day. The Great Orion Nebula is a stellar nursery, which means stars are created there. Comets are relatively small objects that orbit the Sun; they usually exhibit a fuzzy tail. They are made up of ice, dust, and rocky particles. The comet in the pictures, Comet 217P Linear, orbits beyond Jupiter at its farthest point from the Sun and just beyond Earth's orbit at its closest point.
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