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#astronomy

Open-source interactive map for the Aug 12 total solar eclipse

Hacker News Top · 10h ago

An open-source interactive map designed to help users explore the total solar eclipse on Aug 12, providing visualization of the eclipse path and related data.

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#astronomy

The Sharpest Image Ever Taken of the Sun Reveals a Hidden Phenomenon

Wired · 16h ago

A new visible-light photograph of the Sun has captured tiny plasma vortices for the first time, confirming a long-predicted solar phenomenon.

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#astronomy

Here Are the First Images of the Crater Left on the Moon by SpaceX’s Rocket

Wired · 18h ago Cached

The Korea Aerospace Research Institute's Danuri orbiter captured the first images of the crater left on the Moon by a SpaceX Falcon 9 rocket stage impact, confirming the collision and providing visual evidence of the event.

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#astronomy

The ultimate eclipse chase: A Concorde raced against the Moon's shadow

Ars Technica · yesterday Cached

An account of how scientists modified a Concorde 001 prototype to chase a total solar eclipse and study the solar corona from the stratosphere, with experiments from multiple international research groups.

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#astronomy

App Store Rejection of the Week: Dark Hours

Hacker News Top · yesterday Cached

Apple's App Review Board wrongly rejected an astronomy app, Dark Hours, on grounds that it was astrology, and upheld the rejection despite clear evidence to the contrary, highlighting flaws in the App Store review process.

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#astronomy

An all-sky map of half a million supermassive black holes

Hacker News Top · yesterday Cached

The Sloan Digital Sky Survey announces Data Release 20, featuring the Black Hole Mapper's first southern hemisphere optical observations and coordinated eROSITA X-ray identification, mapping over half a million supermassive black holes across the sky.

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The world's biggest solar telescope caught vortexes on the Sun's surface

Ars Technica · yesterday Cached

Using the Daniel K. Inouye Solar Telescope, researchers captured the first clear images of Kelvin-Helmholtz instabilities on the Sun's surface, revealing that these plasma vortexes are ubiquitous and could reshape our understanding of heat and energy movement in the solar atmosphere.

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#astronomy

Meteor Showers, Eclipses, and More Are on the August 2026 Astronomical Calendar

Wired · 2d ago Cached

An August 2026 astronomical calendar highlights a Perseid meteor shower, a total solar eclipse over Spain/Portugal/Iceland/Greenland, a six-planet alignment, and a partial lunar eclipse, offering multiple skywatching opportunities.

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#astronomy

AstraPixels

Product Hunt · 3d ago

AstraPixels is a pixel-art solar system visualization showing real current positions of planets.

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#astronomy

Welp, Nobody Saw SpaceX’s Falcon 9 Rocket Crash Into the Moon

Wired · 3d ago Cached

SpaceX's Falcon 9 rocket upper stage crashed into the Moon as predicted, but no observatory captured direct images of the impact. Indirect evidence from the Very Large Telescope suggests the collision occurred as expected.

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#astronomy

@NASA: On Aug. 12, you have the chance to experience a total solar eclipse from anywhere in the world. Starting at 1:15pm ET (…

X AI KOLs Timeline · 3d ago Cached

NASA will stream a live broadcast of the total solar eclipse on Aug. 12 starting at 1:15pm ET, with safe viewing tips and science commentary.

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#astronomy

NSF Inouye Solar Telescope Enables Major Discovery of a Hidden Solar Process

Hacker News Top · 3d ago

The NSF Inouye Solar Telescope has enabled a major discovery about a hidden solar process, marking a significant advancement in solar physics.

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#astronomy

Rubin Observatory's first LSST Camera release: 500k galaxies in the COSMOS field

Hacker News Top · 3d ago

The Rubin Observatory released its first LSST Camera dataset, capturing 500,000 galaxies in the COSMOS field, marking a significant milestone for astronomical surveys.

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Webb telescope finds signs of ancient disaster for Neptune's moons

Hacker News Top · 4d ago

The James Webb Space Telescope has uncovered evidence of an ancient cataclysmic event that altered Neptune's moons.

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@mickeywzx: Instead of tracking satellites from a big-picture perspective, many observers may always wonder: A satellite just cross…

X AI KOLs Timeline · 4d ago Cached

SatIdentifier is an open-source tool that identifies which satellites crossed your telescope field of view, matching observed trails against orbital catalogues and rendering predicted paths on a star chart.

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#astronomy

The James Webb Telescope Is Changing Astronomers’ Understanding of the Ancient Cosmos

Wired · 6d ago Cached

The James Webb Space Telescope is revealing unexpected mysteries about the early universe, including perplexing 'little red dots' and ancient black holes that challenge existing astrophysical theories, with new hypotheses emerging to explain them.

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There Are 2 Eclipses This August. Here’s How to See Them

Wired · 6d ago Cached

A guide to the two eclipses occurring in August 2026: a total solar eclipse on August 12 visible in the northern hemisphere and a partial lunar eclipse on August 27-28 best viewed across the Americas.

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Astronomers Have Detected an Exomoon for the First Time

Wired · 2026-08-01 Cached

An international research team has reported the first evidence of a moonlike body outside our solar system, orbiting the brown dwarf CD-35 2722 B about 73 light-years away, with findings published in Nature.

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@NASA: The sky is full of excitement this month! You can look forward to seeing: - A lunar and solar eclipse - The Perseid met…

X AI KOLs Following · 2026-07-31 Cached

NASA highlights August's celestial events, including lunar and solar eclipses, the Perseid meteor shower, and Venus at its brightest, with guidance on viewing them.

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@NASA: We’re about to see the bigger picture. On Aug. 30, @NASARoman will lift off to join @NASAHubble and @NASAWebb in survey…

X AI KOLs Timeline · 2026-07-30 Cached

NASA's Roman space telescope is set to launch on August 30, joining Hubble and Webb to help answer cosmic mysteries with its wide-field view.

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