Hubble Sees Supersonic Exhaust From Nebula M2-9 is a striking example of a "butterfly" or a bipolar planetary nebula. Another more revealing name might be the "Twin Jet Nebula."
Hubble Sees Supersonic Exhaust From Nebula M2-9 is a striking example of a "butterfly" or a bipolar planetary nebula. Another more revealing name might be the "Twin Jet Nebula."