The seascape in question is a jellyfish galaxy, thus named because of the visible blue tendrils sprouting from the galaxy’s core. This particular galaxy, shown in the image below, is known as JO201.
The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida at 1:48 p.m. EDT (1748 ...