Active asteroid
Videos
Active asteroids are small Solar System bodies that have asteroid-like orbits but show comet-like visual characteristics. That is, they show a coma, tail, or other visual evidence of mass-loss, but th
Asteroid 596 Scheila displaying a comet-like appearance on 12 December 2010
Dust ejecta and tail from the aftermath of the Double Asteroid Redirection Test's impact on the asteroid moon Dimorphos, as seen by the Southern Astrophysical Research Telescope in 2022
Disintegration of asteroid P/2013 R3 observed by the Hubble Space Telescope (6 March 2014).
Asteroid 101955 Bennu seen ejecting particles on January 6, 2019, in images taken by the OSIRIS-REx spacecraft
596 Scheila
Videos
596 Scheila is a main-belt asteroid and main-belt comet orbiting the Sun. It was discovered on 21 February 1906 by August Kopff from Heidelberg. Kopff named the asteroid after a female English student
Scheila imaged by the Hubble Space Telescope on 7 December 2010, with visible features marked.
Scheila imaged by Neil Gehrels Swift Observatory's ultraviolet-optical telescope on 15 December 2010
Hyakutake Color