... A large disk of dust and gas orbiting Infrared Source 4 (IRS 4), visible in brown near the image center, gives the nebula an hourglass or butterfly shape. ...
... The light seen (the bun) is reflected by dust from the central star, although the star itself is obscured by a thick dustdisk that runs across the middle (the patty). ...
... Explanation: In spiral galaxies, majestic winding arms of young stars and interstellar gas and dust rotate in a disk around a bulging galactic nucleus. ...
... the seemingly familiar teardrop-shaped object just right of center is actually an unusually situated disk of gas and dust ... These bright stars emit light so powerful it boils away the gas and dust in planet-forming disks . ...
... The disk of the dust y spiral galaxy near the image center is cutting through a large elliptical galaxy , visible predominantly on the lower left. ...
... Both Sombrero and Little Sombrero are spiral galaxies seen edge-on, and both have extensive central bulges cut by a thinner disk with dust lanes in silhouette. ...