The 9th-magnitude planetary nebula NGC 6543, which lies 3000 l.y. away in Draco. The complex shape of the gas loops thrown off by the central star 1000 years or so ago gives it the appearance of a cat’s eye.
http://hubblesite.org/image/1578/news_release/2004-27
- affiliate agreement
- affiliate program
- affine
- affine geometry
- affine hull
- affine mapping
- affine set
- affine space
- affine subspace
- affine transformation
- affine variety
- affinity
- affinity chromatography
- affirmative action
- affirmative and negative propositions
- affirming the antecedent
- affirming the consequent
- affixing
- afforestation
- Afghani, Jamal al‐Din al‐ (1839–97)
- Afghanistan
- Afghan Wars
- AFIPS
- AFL
- aflatoxin