This picture is fabulous! The rosette nebula actually looks like a rose! (I love that this was the picture for :) Valentine's Day) It is red because of the hydrogen. The "petals" are a molecular cloud in the constellation Monoceros. It is stellar nursury about 5,000 light-years away. The diameter of the center "cavity" is about 50 light-years. The stars there are relatively young- they are only a few million years old.
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