Long description

The figure shows the following photos: Part (a) show four images of protoplanetary discs, in the Orion nebula, taken in 1993 with HST. Each image has a central glowing dot of varying size that is surrounded by a dark cloud of varying thickness. Part (b) shows a protoplanetary disc in Orion, imaged with JWST in 2022. A white clove-shaped light is seen with a central horizontal band labelled ‘disc’.