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Til Birnstiel

@birnstiel

Professor for Astrophysics at LMU Munich. www.til-birnstiel.de

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24.08.2023
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Latest posts by Til Birnstiel @birnstiel

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Just reviewed the demands letter the government sent to Harvard. Strong McCarthy vibes with this administration. Here are just a few of the most insane. Full letter here: s3.documentcloud.org/documents/25...

17.04.2025 16:34 πŸ‘ 129 πŸ” 49 πŸ’¬ 12 πŸ“Œ 4

Very sad to hear of the passing of my former colleague astrophysicist Bob Kurucz from CfA.

Bob's expertise in stellar atmospheres was legendary. His countless hours of discussion on spectra with me during SSP coffee was effectively a free graduate level class taught by the grandmaster himself.

04.03.2025 06:07 πŸ‘ 8 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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World's darkest and clearest skies at risk from industrial megaproject On December 24th, AES Andes, a subsidiary of the US power company AES Corporation, submitted a project for a massive industrial complex for environmental impact assessment. This complex threatens the ...

World's darkest and clearest skies at risk from industrial megaproject:

www.eso.org/public/news/...

Petition against it here:

docs.google.com/forms/d/e/1F...

20.02.2025 13:43 πŸ‘ 5 πŸ” 4 πŸ’¬ 1 πŸ“Œ 1

Thanks for the picture! πŸ™

13.02.2025 18:12 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
x.com

Der vielleicht?

x.com/xx17965797n/...

28.08.2024 07:18 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Key to rapid planet formation Researchers at LMU, the ORIGINS Excellence Cluster, and the Max Planck Institute for Solar System Research (MPS) have developed a new model to explain the formation of giant planets such as Jupiter, Saturn, Uranus, and Neptune. The model furnishes deeper insights into the processes of planet formation and could expand our understanding of planetary systems.

Press release of our paper from last week:

www.origins-cluster.de/en/news-even...

07.08.2024 19:28 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Sequential giant planet formation initiated by disc substructure Planet formation models are necessary to understand the origins of diverse planetary systems. Circumstellar disc substructures have been proposed as preferred locations of planet formation but a...

This may be the most important paper in the planet formation field in recent years - showing how to go from dust to a chain of massive planets 🟀πŸͺπŸ”΅πŸ”΅ If you are at
#Exoplanets5 you can talk to the first author, Tommy Lau πŸ˜‰ arxiv.org/abs/2406.12340 With @birnstiel.bsky.social @stammler.bsky.social

20.06.2024 11:25 πŸ‘ 18 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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πŸ₯³Congratulations to Dr. @astrothomas.bsky.social for defending his excellent thesis with distinction! πŸ‘Next up: @flatironinstitute.org Fellowship! They grow up so fast! πŸ˜…

19.03.2024 18:45 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Postdoc positions in planet formation at LMU Munich (up to 5 years) | AAS Job Register

🚨⚠️ Job alert ⚠️🚨
Postdoc & PhD positions in computational astrophysics / planet formation in Munich. Details here:

jobregister.aas.org/ad/c541e053

06.01.2024 16:57 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Dust growth and evolution in protoplanetary disks Over the past decade, advancement of observational capabilities, specifically the Atacama Large Millimeter/submillimeter Array (ALMA) and SPHERE instrument, alongside theoretical innovations like...

🚨My ARA&A review is out on arXiv. I did my best to summarize the state of the field but surely some parts will be outdated quickly! I hope you like it:

arxiv.org/abs/2312.13287

21.12.2023 08:21 πŸ‘ 12 πŸ” 3 πŸ’¬ 0 πŸ“Œ 1

⚠️ paper alert! πŸ‘‡

13.12.2023 18:36 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Yo, Bayern, was geht?

www.zeit.de/wirtschaft/e...

18.11.2023 12:06 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Today we were in Garching for the β€žMausβ€œ open House day with the kids. Good timing!

Congratulations to Ferenc Krausz!

03.10.2023 15:13 πŸ‘ 8 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

I read only the PDF, find the 2-column format easier to read. HTML only to look for online data.

28.09.2023 22:48 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

FYI: On Arxiv you can download the source with the originals figures most of the times.

28.09.2023 22:46 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

847 passt besser zum Morgenkaffee!

20.09.2023 12:57 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Since so many have asked, here’s my hot take on the spherules Loeb found and the manuscript he’s loudly rushed to the world. These are pretty typical cosmic spherules. Had he done the *obvious*--a control sample 100 km away from the meteor--he’d have found the same thing. 1/20

01.09.2023 09:14 πŸ‘ 113 πŸ” 46 πŸ’¬ 2 πŸ“Œ 18
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Thanks to Dan Clery for this Science article on Avi's latest.

www.science.org/content/arti...

Lots of interesting details here! A few stand out to me.

1) The paper has been submitted for publication in the peer reviewed journal Ocean Science. That's good for the scientific process.

31.08.2023 13:39 πŸ‘ 8 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1