Richard Alexander
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richardalexander.bsky.social
Richard Alexander
@richardalexander.bsky.social
Astrophysicist at the University of Leicester | Dad | Cyclist | Exiled Scot
https://rdalexander.github.io
Presumably tickets for day four of the fourth test are now changing hands for about $5.
November 24, 2025 at 5:57 PM
The aspect ratio looks more like the torus than the actual accretion disc though. Clearly we need a unified model of parmesagn. 🔭
November 20, 2025 at 12:57 PM
I wonder if the median shows the same trend? The mean is liable to be skewed by the still relatively small number of papers with very long author lists.

Also curious to see if it changes if you limit it to just the major astro journals? Smaller journals tend to have more single/few-author papers.
November 20, 2025 at 10:36 AM
I didn't realise they were filming in our living room last night.
November 19, 2025 at 12:15 PM
Agreed. E&M plus QM (and/or atomic/molecular physics) are necessary pre-requisites for the astro courses that cover where photons actually come from.
November 19, 2025 at 1:02 AM
Recently exoplanets & planet formation have shifted heavily towards large collaborations. If a student (or their advisor) joins one of those teams they can often get 20+ Nth-author papers during their PhD. I worry that we’re starting to skew the field towards people who got in to big teams early on.
November 1, 2025 at 11:44 AM
Also doesn’t reflect authorship norms in different fields. In lab-based subjects it’s convention that the senior/supervising author is listed last. But in fields like astronomy/astrophysics the supervisor is usually second or third author. To me, last author indicates smallest contribution. 🤷🏻‍♂️
October 25, 2025 at 10:47 PM
Hard to say if the Wings/Avs rivalry peaked with the regular-season brawl, or the playoff fight night that ended in Crawford's meltdown.

The Wikipedia page doesn't really do justice to Shanahan clothes-lining Roy though. Or mention that he didn't get penalised for it. 🤣
October 22, 2025 at 3:43 PM
I’m still on a 12 mini, and ditto. I do not want a bigger phone.
October 21, 2025 at 9:21 PM
Meeste van op de TV is ook heel eng.
October 17, 2025 at 10:17 PM
Definitely not. If it's a new class, I'd plan for roughly one day of prep per hour in front of the students.
October 17, 2025 at 1:15 PM
Indeed. It’s not just a lack of new positions either. There are a number of departments where astro staff have recently moved or retired and have not been replaced.
October 14, 2025 at 9:10 PM
Is the price for buying solar systems, or for heating them? The latter might actually be more...😂
October 13, 2025 at 1:33 PM
I get quite annoyed by the notion that science isn't creative. The first step in the scientific process is having new ideas; without creativity we have no science.

The recent trend of using "creative" (or worse, "creatives" 😬) to refer only to arts and humanities is both inaccurate and unhelpful.
October 9, 2025 at 9:34 AM
Problem is that when it comes to the specific topic of PAHs, you could probably fit *all* the grown-ups who actually understand them in that locked room with you.
October 8, 2025 at 2:45 PM
If it’s material I’m familiar with, then that’s about right - roughly one full day per lecture. But if it’s a topic I need to revise first then it’s significantly more. Plus time for problem sets, etc.

Putting it another way: writing 20 lectures from scratch is at least a month’s full-time work.
October 7, 2025 at 10:07 PM