Explanation: What created an unusual dark streak in Comet Tsuchinshan-Atlas's tail? Some images of the bright comet during mid-October not only caught its impressively long tail and its thin anti-tail, but a rather unexpected feature: a dark streak in the long tail. The reason for the dark streak is currently unclear and a topic of some debate. Possible reasons include a plume of dark dust, different parts of the bright tail being unusually superposed, and a shadow of a dense part of the coma on smaller dust particles. The streak is visible in the featured image taken on October 14 from Texas, USA. To help future analyses, if you have taken a good image of the comet that clearly shows this dark streak, please send it in to APOD. Comet TsuchinshanBATLAS has now faded considerably and is returning to the outer Solar System.

Gallery: Comet Tsuchinshan-ATLAS in 2024

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: comet - komety Publikacii so slovami: comet - komety
Sm. takzhe: Kometa ATLAS nad Braziliei Kometa ATLAS proletaet okolo Solnca Kometa ATLAS pered rassvetom Vysokii utes na komete Churyumova-Gerasimenko Meteor i kometa Kometa Czyczin'shan'-ATLAS nad Dolomitovymi Al'pami Kometa Czyczin'shan'-ATLAS nad Kaliforniei Vse publikacii na tu zhe temu >>