Il cielo ci regalerà spettacoli emozionanti per il periodo natalizio. Oltre al plenilunio della notte di Natale, evento che non accadeva da 38 anni, potremmo assistere al passaggio della cometa Catalina.
Quest'ultima apparirà il 25 dicembre, come 2015 anni fa, ma sarà visibile solo nella seconda parte della notte a causa della presenza ingombrante della Luna piena, come afferma l'astrofisico italiano Gianluca Masi.
Ma non solo, a farle compagnia vi saranno anche due asteroidi che, come sottolinea Masi, passeranno proprio il 24 dicembre una alle 2.53 del mattino e l'altra alle 14.08. Il 23 dicembre la Luna, invece, giocherà a nascondino con la stella Aldebaran. Secondo Paolo Volpini, dell'associazione astrofili italiani, l'occulatazione di questo corpo celeste da parte della Luna durerà un'ora a partire dalle 19.00 e sarà ben visibile al grande pubblico senza bisogno di particolari strumenti.
Ansa/se
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