João Alves's Avatar

João Alves

@joaoalves

Professor of Astrophysics at the University of Vienna

236
Followers
83
Following
5
Posts
25.07.2023
Joined
Posts Following

Latest posts by João Alves @joaoalves

Preview
The Star Formation Newsletter Returns - The Star Formation Newsletter The Star Formation Newsletter is back after a hiatus. This post explains its future direction.

The Star Formation Newsletter is back! 🔭☄️ 🥳

From February onwards, we're returning with monthly round-ups of star and planet formation papers, interviews, and more!

23.01.2026 14:01 👍 12 🔁 8 💬 1 📌 1

@bot.astronomy.blue signup

11.09.2025 07:55 👍 0 🔁 0 💬 1 📌 0
Post image

The total eclipse of the Moon at about 21h, here in Vienna

07.09.2025 19:18 👍 35 🔁 5 💬 0 📌 0

Welcome aboard, Emily! We are delighted that you are joining us in Vienna. Can’t wait!

07.07.2025 19:46 👍 18 🔁 1 💬 0 📌 0

Alt text (just realised the setting is only per-computer, sorry 😭) 🧪

Picture 1: their Fig. 1, showing the location of the Sun compared to the Radcliffe wave dust clouds and clusters

Picture 2: their Fig. 3, showing multiple views of the Sun's orbit over time compared to the gas clouds in the wave

25.02.2025 12:51 👍 12 🔁 1 💬 1 📌 0
Post image Post image

Interesting paper out today by Efrem Maconi, @joaoalves.bsky.social et al.! They find that the Sun probably passed through a massive wave of interstellar dust and gas (the Radcliffe wave) around 11 to 18 million years ago. 🔭🧪 #milkyway #planetsci arxiv.org/abs/2502.16360

25.02.2025 12:47 👍 82 🔁 18 💬 4 📌 2
Preview
The Galactic Journey of our Solar System Our sun and its planets crossed the Radcliffe Wave in the well-known Orion complex

The Galactic Journey of our Solar System 🌌✨🔭
An international research team led by Uni Vienna has discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. 🔍
Read more about their findings: ⤵️

25.02.2025 12:46 👍 18 🔁 1 💬 0 📌 0
Post image

Dear all,
it is our great pleasure to release the 1st announcement of our StellarOrigins2025 conference! #stellarorigins2025
website: stellarorigins2025.univie.ac.at

18.12.2024 15:23 👍 9 🔁 2 💬 0 📌 1

😂

08.12.2024 07:49 👍 2 🔁 0 💬 0 📌 0

The Star Formation Newsletter #367 is out: https://www.starformation.news/

05.08.2023 22:38 👍 8 🔁 0 💬 0 📌 0