出典:Wikipedia
出典:『Wikipedia』 (2011/07/25 02:12 UTC 版)
NGC 5229 is an edge-on spiral galaxy located in the constellation Canes Venatici. It is a member of the M51 Group although in reality it is relatively isolated from other galaxies. The galaxy's disc is somewhat warped and appears to consist of a series of interconnected clusters of stars from our vantage point on Earth. It is approximately 7 kiloparsecs (23,000 light-years) in diameter and is about 13.7 billion years old.