Emily Hunt astrosky.eco
FAQ: The Astronomy Feed
Frequently asked questions about the Astronomy feed.
Astronomy posts, from astronomers! Any astronomer can post here by signing up via @bot.astronomy.blue Contains posts from signed up users with a 🔭, #astronomy, or #astro.
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In memoriam Frank Israel (1946 – 2026)
www.astronomie.nl/nieuws/….
English: www.astronomie.nl/nieuws/…. 🔭
www.astronomie.nl
In memoriam Frank Israel (1946 – 2026)
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🍂🌌 Happy Autumnal Equinox!
At 00:06 UTC today, the Sun crossed the celestial equator, marking astronomical autumn in the Northern Hemisphere.
The nights are getting longer — which means more time under the stars! 🔭🧪
#Astronomy #AutumnEquinox #Stargazing
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Mystic Mountain Dust Pillars
Located in the Carina Nebula and known informally as Mystic Mountain, these pillar's appearance is dominated by the dark dust even though it is composed mostly of clear hydrogen gas.
Image Credit: David Forteza
#Astronomy
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A great thread on rocky (exo) planets with awesome graphics for the #exoplanets feed
Paul Byrne @theplanetaryguy.com
I said I'd do a thread about my new Space Science Reviews paper, so here it is! This is part of a collection of papers arising from a meeting at the International Space Science Institute in Bern in 2024: a workshop to better understand rocky extrasolar planets. A 🧵:
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M7 is an open cluster located about 980 ly away in the constellation of Scorpius.
It is the southernmost Messier object. This put it very low on the horizon for this image from the telescope's location. #astronomy
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It's 2.26am and cloudy. I had hoped to have my first go capturing Mars with the Beehive, before their super close encounter around my Birthday next month. Perhaps better luck tomorrow. 🔭 🧪
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Today: Autumn Equinox (Northern Hemisphere) / Spring Equinox (Southern Hemisphere)
#Astronomy #Equinox
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It's never boring when @rami.spaceaustralia.com and I get together to discuss the latest in space with @stilgherrian.com! On this episode, a subject close to my heart. Scroll down to see a photo of me at @jodrellbank.bsky.social and Rami at Murryiang/Parkes on the 2019 Apollo 11 anniversary. 🧪 🔭
stilgherrian.com
The 9pm Space Dust of Disappointment with Dr Alice Gorman and Rami Mandow – Stilgherrian
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This is Elephant Trunk Nebula. This pillar is a star factory, crushing dust and gas into fusion powerplants that will form their own solar systems. Mind blowing stuff!
Prints: buff.ly/TOEvjFD
Acquisition details: buff.ly/RyYb1z2
#astrophotography #astronomy #nebula #touptek #skywatcherUSA 🔭 📷
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📡 Astronomers have detected radio signals coming directly from an exoplanet for the first time.
No, it’s #notaliens.
The signals from Beta Pictoris b appear to come from auroras generated by its magnetic field, offering a new way to study distant worlds.
www.sciencealert.com/astr….
🧪 🔭
www.sciencealert.com
Astronomers Detect Radio Signals Coming Directly From an Exoplanet For The First Time
There's no proof of other life beyond Earth yet, but scientists are constantly looking out and listening for signs that we're not actually alone in the Universe.
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From Viviana Cáceres: The LIGO Collaboration used its latest gravitational-wave catalog to put Einstein’s famous theory through a series of tests. ⚛️ 🔭 ☄️ 🧪 astrobites.org/2026/09/21…
astrobites.org
General relativity gets an A
The LIGO Collaboration used its latest gravitational-wave catalog to put Einstein’s famous theory through a series of tests.
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I built an open-source Home Assistant companion for my science tricorder. 🖖 It archives field scans, compares missions, and flags changes against a reference baseline.
Looking for citizen scientists, educators & HA enthusiasts to test it, find bugs, and suggest real-world experiments!
🔭🎢🧪⚱️
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The autumnal equinox happens at 5:05 pm PDT today 9/22.
Equinoxes are when day and night are nearly equal in length all over the world. It's part of the cycle of the seasons, which occurs predictably each year, unlike what happens in Washington DC. #astronomy #astroed #equinox #science #scienceed
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The next generation of astronomy facilities cannot be built with half the sky missing ☄️
dlvr.it
The next generation of astronomy facilities cannot be built with half the sky missing
Nature Astronomy, Published online: 22 September 2026; doi:10.1038/s41550-026-02991-7The next generation of astronomy facilities cannot be built with half the sky missing
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From this point, the days grow shorter in the northern hemisphere until the shortest period of sunlight on the Winter Solstice.
What are your favorite autumnal traditions? We're excited for cozy sweaters, stylish boots, soup on the stove, & apple cider doughnuts 🔭🍎🎃🧣
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Happy September equinox from NSF–DOE Rubin Observatory! It's the first day of spring here in the south🌸
Equinox fun fact: day and night aren't exactly equal 👀 Atmospheric refraction and the way we define sunrise/sunset mean most places get slightly more than 12 hours of daylight! 🔭🧪
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I know this isn’t the most important hill to die on at this time, but as i am teaching stellar this semester, I wanted to point out that polytopes are the slide rules of stellar astrophysics. Elegant, somewhat useful in the day, no longer needed because of computers. 🔭
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Natt til i dag tok jeg bilde av dette utsnittet av stjernebildet Svanen, 6000 lysår unna oss. Øverst t.v. sees den blå buen etter stjernen WR 134, mens halve Tulipantåken er synlig nedest t.h. Alt er relativt, og jeg synes dette er relativt kult!
#astronomy #astrophotography
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A smooth galaxy, observed with the Hubble Space Telescope in the GEMS survey.
It is at redshift 0.01 (lookback time 143.0 million years) with coordinates (53.36250, -27.88043).
130 volunteers classified this galaxy in Galaxy Zoo: Hubble.🔭
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IC 1396 is a large cloud of glowing gas and dust in the constellation Cepheus, about 2,400 light-years from Earth. A bright star in its center, HD206267, lights up the gas and makes it glow. Image taken 09/20/2026 and is roughly 5 hours total exposure. #Astrophotography
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Mineral Moon
20260922
📍 Orta lake, Italy
Pentax K-70
Sigma 70-300 Apo DG @ 300mm
Vanguard tripod
180 subs merged&edited with PiPP, Astrosurface, Wavesharp & Photoshop
1-final
2-single sub
#astrophotography #astronomy #EndersPics #moon #mineralmoon
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