Astronomy Photo of the Day 24.11.2013
Image courtesy of Arnie Rosner. For more information: WB Latter (SIRTF/Caltech) et al., NICMOS, HST, NASA.
NGC 7027 is the youngest and brightest known planetary nebula in our galaxy. Surprisingly, it's quite small. The nebula spans no more than 1.5 AU (astronomical units; the distance between Earth and the Sun, 149 million km). Most planetary nebulas are, on average, about one light-year across.
