This cool space wallpaper, centred on the B[e] star HD 87643, beautifully shows the extended nebula of gas and dust that reflects the light from the star. The central star's wind appears to have ...

The oddly shaped Pencil Nebula (NGC 2736) is pictured in this space wallpaper from ESO’s La Silla Observatory in Chile. This nebula is a small part of a huge remnant left over after a supernova ...