ESOcast 64: First Ring System Around Asteroid
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This ESOcast shows how observations at many sites in South America, including ESO's La Silla Observatory, have made the surprise discovery that the remote asteroid Chariklo is surrounded by two dense and narrow rings. This is the smallest object by far found to have rings and only the fifth body in the Solar System after the much larger planets Jupiter, Saturn, Uranus and Neptune to have this feature. The origin of these rings remains a mystery, but they may be the result of a collision that created a disc of video is available for download in various formats on: : ESOVisual design and editing: Martin Kornmesser and Luis : Herbert Zodet. Web and technical support: Mathias Andr and Raquel Yumi Shida. Written by: Ryan Laird and Richard by: Joe Liske (Dr. J).Narration: Sara Mendes da Costa. Music: John Stanford ().Footage and photos: ESO, Felipe Braga Ribas, Luis Calada, Martin Kornmesser, Jos Francisco Salgado (), Alexandre Santerne, NASA, ESA and M. Showalter (SETI Institute).Directed by: Herbert Zodet. Executive producer: Lars Lindberg Christensen.