The authors say we have a pole-on view of a bipolar nebula shaped by the presence of a second star. There are many bipolar nebulae, including well-known ones like the Butterfly Nebula. However ...

The alignment of planetary nebulae was discovered ten years ago by a Manchester PhD student, Bryan Rees, but has remained unexplained. Planetary nebulae are clouds of gas that are expelled by stars at ...

ABSTRACT Bipolar, elliptical, and circular planetary nebulae appear to be possessed of differing Galactic scale heights, a feature which is usually assumed to arise from the differing distributions ...

Powerful jets and radiation winds from two protostars are slamming into the nebulosity around them, sculpting the nebula. A huge bipolar outflow of gas and dust, grown from the tumultuous birth of ...