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- Sun Oct 25, 2009 2:06 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Crab Nebula "Movie"
- Replies: 13
- Views: 2317
colors chosen for scientific interest (M1, Crab Nebula)
The above phrase, used in the caption for "M1: The Crab Nebula from Hubble", needs elaboration. What colors represent what elements? Does a given color always represent the same element in all astronomical photographs? Is there a basic astronomical color reference page? I like the colors; ...