Read on to discover where comets Lemmon, SWAN and 3I/ATLAS are in the Halloween night sky on Oct. 21 and find out if they’re a stargazing trick, or a telescopic treat.
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Read on to discover where comets Lemmon, SWAN and 3I/ATLAS are in the Halloween night sky on Oct. 21 and find out if they’re a stargazing trick, or a telescopic treat.