Stingray Nebula (Hen 3-1357, PN G331) in Ara
The Stingray Nebula, or Henize 1357 (Hen 3-1357), is the youngest planetary nebula known. It is located in Ara constellation. The nebula lies approximately 18,000… Read More »Stingray Nebula (Hen 3-1357, PN G331) in Ara