May’s evening twilight scene is dominated by two brilliant planets: Venus, of magnitude -4, low in the west-northwest; and Jupiter, of magnitude -2, in the west, to Venus’ upper left. At dusk ...
The long nights of December are an astronomical delight. The early evening sky hosts Saturn as the main feature, along with Uranus and Neptune. Jupiter rises later and is visible all night, its four ...
The first observer to catalog differences in star brightnesses was Greek astronomer Hipparchus. He created a catalog around 135 B.C.E. of roughly 850 stars divided into six ranges. He called the ...
May 2026 offers striking celestial events across both hemispheres, with Venus and Jupiter dominating the evening sky and Mercury, Mars, and Saturn visible before dawn. Highlights include rare Jovian ...
Friday, December 5 Saturn's far-wandering moon Iapetus reaches superior conjunction tomorrow, December 6. Observers in the U.S. will be able to spot this moon just over 1′ due south of the ringed ...
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