Hubble and NTT Capture Strange Alignment of Planetary Nebulae

While taking a look at more than a hundred planetary nebulae in our galaxy's central bulge, astronomers using the NASA/ESA Hubble Space Telescope and ESO's New Technology Telescope have found something rather incredible. It would appear that butterfly-shaped planetary nebulae - despite their differences – are somehow mysteriously aligned! (...)Read the rest of Hubble and […]