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Cosmology
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Night Sky Sights
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The Perseids are upon us — and as you're looking out for shooting stars, look for Jupiter and Saturn low in the southeast as soon as night begins to fall.
continue readingExplore the Night with Bob King
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Galaxies
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Astronomy and Society
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Solar System
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Stellar Science
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observing guides
Sky Tour Astronomy Podcast
August 2024: Planets & Perseids
This Week's Sky At a Glance
This Week's Sky at a Glance, July 31 – August 8
Planets
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Planets
Ice Giants: Neptune and Uranus
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Where to Look Tonight
This Week's Sky at a Glance, July 31 – August 8
This Week's Sky at a Glance, July 31 – August 8
Mars rises in the east around 11 p.m. daylight saving time this week, in Pisces. Watch for it to come up below the Great Square of Pegasus. By dawn Mars shines grandly high and bright in the south, a far-off bonfire in the heavens. In a telescope Mars grows from 14½ to 15½ arcseconds in apparent diameter, as big as it appears at some oppositions! But we're still speeding toward it along Earth's faster orbit around the Sun. Around this year's opposition in early October, Mars will be 22.6 arcseconds wide.
下载shadowrocketAugust 2024: Planets & Perseids
Sky Tour Podcast
The Perseids are upon us — and as you're looking out for shooting stars, look for Jupiter and Saturn low in the southeast as soon as night begins to fall.
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How to Choose Your First Telescope
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Paul Byrne
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Dating Vermeer’s View of Delft
Donald W. Olson et al.
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The Hunt for the First Exomoons
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