Sep 13

Bizarre alignment of planetary nebulae

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)

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