Hubble Watches the Icy Blue Wings of Hen 2-437 Hubble Watches the Icy Blue Wings of Hen 2-437 In this cosmic snapshot, the spectacularly symmetrical wings of planetary nebula Hen 2-437 show up in a magnificent icy blue hue. via NASA http://ift.tt/1O6EZc8 Teilen mit:FacebookTwitterGoogleTumblrPinterest Ähnliche Beiträge