Looking for a sky event this week? Check out our full Sky This Week column. February 7: Ganymede disappears Tonight, the icy moon Europa passes in front of Jupiter in a transit, bringing with it its ...
U.S. West Coast observers are positioned to view the simultaneous transit of shadows cast by Jupiter's moons Io and Europa on its cloud tops. Approximately 40 minutes pre-sunrise, Jupiter will be ...
February’s night skies hold a certain celestial splendor that only enthusiastic and vigorous skywatchers have the fortitude ...
Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...
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