Bizarre alignment of planetary nebulae
Wednesday, September 4, 2013 - 08:00
in Astronomy & Space
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.