17 ottobre – Accadde oggi

17 Ottobre 2022

Nel 1786 W. Herschel scopre NGC 206 (vedi foto), una grande associazione OB situata all’interno della Galassia di Andromeda e distante circa 2,5 milioni di anni luce dal nostro pianeta (vedi mappa celeste)

Nel 2002 lancio del satellite INTEGRAL (di ESA/NASA) per lo studio dei raggi gamma (vedi immagine)

Nel 2011 la cometa Elenin (vedi foto) transita molto vicino alla Terra

Eventi astronomici (fonte heavens-above.com, coordinate da Trieste ore 22.00):

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