Sky & Telescope Magazine
Lucy's First Asteroid Flyby Sheds Light on a Double-lobed Asteroid
On its way to future encounters with Trojan asteroids, the Lucy spacecraft made a practice run past tiny asteroid 52246 Donaldjohanson on April 20, 2025. Now, the Lucy team, led […]
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This Week's Sky at a Glance, June 19 – 28
The Moon as it will appear in an amateur telescope at 10 p.m. EDT Friday the 19th. This week Venus and Jupiter continue moving apart low in the western twilight. Vega and Arcturus shine equally high after dark. And watch Beta Lyrae self-eclipse.
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“Shadow Blaster” Galaxy Might Have Sent High-Energy Neutrino to Earth
A star-forming galaxy in the early universe might have sent a ghostly particle known as a neutrino crashing into the ice at Earth’s South Pole, after an 11 billion-year journey through space.
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See Venus Disappear in Broad Daylight on June 17th
On June 17th, much of North America can watch the Moon occult Venus in the daytime sky. All you need are binoculars.
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Ancient Skies: The Moon That Returns Once in a Generation
The 18.6-year cycle of the lunar standstill belongs to the Moon. But recognizing it belongs to us. For centuries, people have watched carefully enough, remembered long enough, and taught faithfully enough to discover patterns that unfolded across generations.
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"Little Red Dot" Is a Cocooned Black Hole
A deep spectrum of a mysterious "little red dot" reveals a supermassive black hole cocooned in gas so dense it's opaque — but glowing in the infrared.
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Did A Moon-Size Planet Grow Fast and Die Young in the Early Solar System?
A rare meteorite recovered from the Sahara Desert could be a fragment of a Moon-size body that met a violent end in the earliest days of the solar system.
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This Week's Sky at a Glance, June 12 – 21
The three planets in the western twilight are pulling away from each other now. On Wednesday, the Moon will occult Venus in daylight.
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Revival of Australia’s Molonglo Radio Telescope
Australia's Molonglo Observatory was saved from retirement; now, it holds the promise of future radio observations.
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Meet Callisto, Jupiter's Ancient Moon
Meet Callisto, the heavily cratered moon that's the most distant of the Galilean satellites from Jupiter.
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Alan Hale (1958-2026)
Astronomer and comet-hunter Alan Hale passed away on Saturday, June 6th, at 68 years old in his home in Cloudcroft, New Mexico.
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Amazon's Satellites Are Impacting Astronomy
The satellites being launched by Amazon are brighter than IAU-recommended limits — which means they'll interfere with astronomy.
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Gravitational-Wave Detections Surge with Latest Release
Astronomers have released the newest list of gravitational-wave detections, almost doubling the number of known signals from colliding black holes.
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This Week's Sky at a Glance, June 5 – 14
Bright Venus and Jupiter pass through conjunction in twilight this week, while Mercury, Pollux, and Castor watch them from nearby.
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Proposed U.S. Grant Funding Rules Spark Worry, Backlash in Astronomy
The Office of Management and Budget envisions diminishing peer review and international collaborations.
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Chance of Aurora Extends to Friday Night, June 5th
A geomagnetic storm expected June 4th arrived late. But there's still at chance of seeing auroras Friday night, June 5th.
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A Globular Season Surprise
The true origins of some globular clusters can give you a new perspective when you're viewing them through your telescope.
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Venus, Jupiter Converge in Stunning June 9th Dusk Conjunction
A beautiful conjunction is coming, and all you need are your eyes to enjoy it.
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Mars MAVEN Mission Lost; NASA Says Farewell
NASA has announced that, after six months of trying to recover the MAVEN mission at Mars, they are saying goodbye.
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June Podcast: Dance of the Planets
This month’s episode highlights the close pairing of Venus and Jupiter under way in the western sky after sunset. You'll also learn why astronomers are fixated on a star in Corona Borealis — and how to find a huge but dim constellation that will likely be new to you. So grab curiosity and come along on this month’s Sky Tour.
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