The young cluster Pismis 24 lies at the heart of the Lobster Nebula (NGC 6357) in Scorpius. The brilliant stars rank among the hottest and most massive in our galaxy. Tens of thousands of background ...
New Moon occurs at 7:52 A.M. EDT, leaving the sky pristine all night and setting the stage for a possible sighting of the zodiacal light after dark. This ethereal glow is generated by sunlight ...
Our attention is back on Jupiter in the west this evening, though, as Ganymede finally reaches the planet’s eastern limb and begins a transit overnight. First, though, Io is completing another transit ...
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