
Space / 2015-08-26
The Twin Jet Nebula
The Twin Jet Nebula
NASA's image library records The Twin Jet Nebula.
The Twin Jet Nebula, or PN M2-9, is a striking example of a bipolar planetary nebula. Bipolar planetary nebulae are formed when the central object is not a single star, but a binary system, Studies have shown that the nebula’s size increases with time, and measurements of this rate of increase suggest that the stellar outburst that formed the lobes