NGC 3009,又稱PGC 28330,是一個位於大熊座的透鏡狀星系[1][2],直徑3.5萬光年,距離地球2.05億光年,退行速度每秒4445千米,1828年3月17日由約翰·赫歇爾發現[1]。NGC 3009與PGC 28303十分接近,相距僅有幾弧分,極易相互混淆[1]。
參考
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.