Source: ESA/Hubble Science Release heic1316
Bipolar planetary nebula PN Hb 12.
Image credits: NASA, ESA. Acknowledgement: Josh Barrington
Astronomers have used the NASA/ESA Hubble Space Telescope and ESO's New Technology Telescope to explore more than 100 planetary nebulae in the central bulge of our galaxy. They have found that butterfly-shaped members of this cosmic family tend to be mysteriously aligned — a surprising result given their different histories and varied properties.(read more)