Bluesky Feed - The Milky Way

The Astrosky Ecosystem @astrosky.eco · about 1 year ago

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FAQ: The Milky Way Feed

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Nereide @drnereide.bsky.social · 2 days ago

In 2021, an international team produced a census of everything we know within 10 pc (about 33 light-years) from the Sun. 540 objects in 339 systems: stars, brown dwarfs, white dwarfs and exoplanets. Animation: galaxymap. org 🔭🧪⚛️ #cosmology #galactic

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janiceleeastro @janiceleeastro.bsky.social · 22 days ago

💙 the cover of the HWO-J workshop proceedings✨ iral2.ess.sci.osaka-u.ac.…. 🔭🧪☄️ #exoplanet #galactic #extragalactic

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Alexis Quintana @alexis-space.bsky.social · 24 days ago

This week I am attending and presenting at Star Formation Fields, a conference organised by @univie.ac.at at Rethymno in Crete! 🔭 A great opportunity to discuss the latest developments on star formation, the interstellar medium and young stellar populations! #stellarastro #galacticastro

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Nathan Rohde @pacnorthimages.bsky.social · about 2 months ago

Milky Way with Perseids meteors. First time taking meteors from various shots and overlaying onto the main foreground. The clouds and smoke didn’t cooperate, thus the meteors IN FRONT OF the cloud, but still good practice. #astrophotography #MilkyWay #Astronomy #Galactic #SpaceScience #Perseids

Milky Way and Perseids over Lost Creek Lake in Southern Oregon. Some light pollution is visible from nearby lights and construction.

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Nereide @drnereide.bsky.social · 2 months ago

1/9 In 2019, a Warsaw research team presented the first 3D map of the Milky Way in the journal Science. The map is based on direct distances to thousands of Cepheids. A pioneering achievement, still widely cited. 🔭🧪⚛️ #galactic #astronomy #universe

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Nereide @drnereide.bsky.social · 2 months ago

1/6 #JWST captured a cloud of gas and dust having an unusual and fascinating shape. 🔭 Located 7,500 light-years away, in the Carina Nebula, it is a cometary globule called the Treasure Chest.🧪 esawebb.org/images/potm2... #galactic #astronomy #stars ⚛️

This patch of space holds plenty of bright stars mixed in with thick gas and dust. The densest stuff sits dead center and looks just like a treasure chest with the lid thrown open. Light glows out from inside it. At its base it breaks into long, thick pillars of gas. In the background many small dark-orange globules sit among larger, softer pale hazes. A handful of vivid foreground stars stand out, the largest and brightest positioned just in front of the chest’s open lid.

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Nereide @drnereide.bsky.social · 3 months ago

1/12 Think of two massive stars born together, then gone supernovae tens of thousands of years apart. From Earth, their remnants appear close and partially overlapping in the sky. 🔭🧪⚛️ It might not be a simple coincidence. Here’s what astronomers have discovered. #galactic #Universe

Image of two supernova remnants. Right: bright Jellyfish Nebula (IC 443). Left: fainter G189.6+3.3. Violet filament between them marks shared interaction with a molecular cloud. Various colors show X-rays, gamma rays and other wavelengths.

Credit: NASA Goddard / M. Michailidis et al. 2026 (Fermi, eROSITA, WISE, Swift and others).

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Nereide @drnereide.bsky.social · 3 months ago

If you’d like to read the first author’s own announcement of the paper, here’s Alexis Quintana’s thread: bsky.app/profile/alex... 🔭🧪⚛️ #galactic #stellarastro

Alexis Quintana @alexis-space.bsky.social

The local Milky Way unveiled by a new census of OB-type stars! 🔭 We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions! #galactic #stellarastro

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Nereide @drnereide.bsky.social · 3 months ago

1/11 Imagine having a detailed map of the youngest & hottest stars in the #MilkyWay — the ones that form & die within just a few million years. A research team (Quintana et al.) has recently completed exactly that using Gaia DR3 data, reaching out to 2 kpc (~ 6,520 ly) from the Sun.🔭⚛️🧪 #galactic

Here’s how OB-type stars are spread across our local Milky Way, out to 2 kpc from the Sun.
The red and pink patches reveal the denser concentrations of these young stars. Among the standout features are the Sagittarius-Carina arm, Cepheus Spur, the big empty Perseus Gap, and associations such as Cyg OB2 and Ori OB1.

Credit: Figure 5 (right panel) – Quintana et al. 2026

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