page_title: 2010 Jupiter impact event
section_title: 2009 impact
hierarchical_section_title: 2010 Jupiter impact event / Other impacts / 2009 impact
caption_attribution_description: English: Hubble Telescope image of the 2009 Jupiter Impact Scar. The spot is presently twice the length of the United States. The force of the explosion on Jupiter was thousands of times more powerful than the suspected comet or asteroid that exploded over the Tunguska River Valley in Siberia in June 1908. Italiano: Immagine della macchia scura scoperta il 19 luglio su Giove e molto probabilmente originatasi in seguito all'impatto di un asteroide o di una cometa. L'immagine è stata raccolta dal Telescopio spaziale Hubble il 23 luglio 2009.
context_page_description: The 2010 Jupiter impact event was a bolide impact event on Jupiter by an object estimated to be about 8–13 metres in diameter. The impactor may have been an asteroid, comet, centaur, extinct comet, or temporary satellite capture.
context_section_description: On 19 July 2009 an impact was observed, which caused a black spot on Jupiter's atmosphere. This unpredicted event was first reported by Anthony Wesley, who also first observed the 2010 event. The 2009 impact has been studied by NASA's Hubble Space Telescope, and the study suggests that the observed incident was a hit by an asteroid about 500 metres (1,600 ft) wide.
caption: Hubble image of the scar taken on 23 July 2009 during the 2009 Jupiter impact event, showing a blemish of about 8,000 kilometres long.[10]
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