Joe Rao
- Indexed articles, last 90 days
- 10
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- Oct 1, 2026
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- Jul 8, 2026
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Jupiter disappears behind the moon, Saturn shines at its best, and Mars meets the Beehive: October 2026 planet guide (opens the original)
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October's sky offers a progression of planetary sights from dusk to dawn: elusive Mercury in the early evening, Saturn through most of the night, Mars after midnight, and Jupiter before sunrise — with a rare lunar occultation of Jupiter providing the month's standout event. After becoming a fixture in the evening sky for much of the spring and summer, Venus relinquishes its title as the evening star in October. Mercury, the other "inferior" planet—one whose orbit is closer to the sun than Earth'
Catch Saturn shining beneath the full Harvest Moon on Sept. 26 (opens the original)
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On Saturday evening, September 26, skywatchers can use the full Harvest Moon to identify Saturn, one of the most striking telescopic sights in the night sky. The moon will serve as a clear guide because it turned full only hours earlier. This year's September full moon is also the Harvest Moon — the full moon that falls closest to the Autumnal Equinox. As I have noted over the years at Space.com, Saturn doesn't immediately stand out from the stars in the way some other planets do. It lacks the d
The Summer Triangle — 3 stars, 1 seasonal mystery (opens the original)
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On clear September evenings, I often find myself looking up just after dusk, expecting the sky to feel a little less like summer. Yet there, still commanding the overhead darkness, are Vega, Altair, and Deneb — the three brilliant stars of the famous Summer Triangle. Their familiar pattern can make the season feel as though it is lingering above us, even as cooler nights and earlier sunsets suggest otherwise. In fact, even as late as mid-November, the Triangle is still nearly overhead soon after
Venus is disappearing from the evening sky — here's how to see it while you can (opens the original)
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Soon, the sky's most glamorous evening performer will take its leave. Since late March, Venus has been the unmistakable "Evening Star," gleaming shortly after sunset and stealing attention from nearly everything else in the twilight. In June, it helped stage a striking three-planet lineup after sundown, outshining both Jupiter and Mercury. Now the curtain is beginning to fall: Venus is sinking night by night and will trade its evening role for a morning one before October is over. Venus moves to
5 planets will light up the September sky — here's how to see them (opens the original)
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Venus, which has been such a prominent object in the western evening twilight sky since the start of spring, is now entering its final full month of visibility. With each passing day, it drops a bit lower in the southwest sky and sets a bit earlier and closer to the vicinity of the sun. By month’s end, making a Venus sighting will be rather difficult as it will be following the sun to below the horizon by only about 30 minutes. During the last week of September, Mercury pops up above the western
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