"Planetary nebulae were once thought to be simple, round objects with a single dying star at the center," astronomer Roger Wesson of Cardiff University said in a previous statement. "It begs the ...
The CO emission reveals cold, molecular gas that envelopes the hot gas and dust seen in images of the nebula obtained by the Hubble Space Telescope (HST) and, more recently, the James Webb Space ...
so we could put together a simple geometrical model. Now, we understand the structure of this nebula. "The James Webb Space Telescope gives us a collapsed image of what the object looks like in ...