Spiraling Apep

NASA

Webb First to Show 4 Dust Shells ‘Spiraling’ Apep, Limits Long Orbit

NASA’s James Webb Space Telescope has delivered a first of its kind: a crisp mid-infrared image of a system of four serpentine spirals of dust, one expanding beyond the next in precisely the same pattern. (The fourth is almost transparent, at the edges of Webb’s image.) Observations taken prior to Webb only detected one shell, and while the existence of…