An animated gif shows black and white shifting blobs that change in both size and shape.

animated_crab_eta_car_slowest

Seen in blue light emitted by doubly ionized iron atoms (4,659 angstroms), these images of Eta Carinae were captured by Hubble's STIS instrument between 2010 and 2014. Gas shells created during the binary's 2003 close approach race outward at about 1 million mph (1.6 million km/h).

Credits: NASA's Goddard Space Flight Center/T. Gull et al.