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astromikehudson.bsky.social
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10% of NASA’s workforce has been laid off—guess that’ll be a boost for SpaceX.

submitted 5 days ago • 636 comments

If you're listening out for the winds of resistance, the folks at the Alt National Park Service @altnps.bsky.social are worth following

submitted 16 days ago • 8 comments

Double paper day! Isaac Cheng looks at mergers with weak lensing in UNIONS. There are hints of differences with control samples, but at this stage, these aren't statistically significant. Still, extreme starbursts (half of stellar mass formed) in mergers can be excluded. arxiv.org/abs/2502.00584 1/2

submitted 19 days ago • 1 comment

Paper day (last Monday). Led by Amber Hollinger, we quantify the uncertainty in the Riess et al. measurements of H0 that use our 2M++ model. Peculiar velocity corrections do indeed reduce the uncertainty in H0 to 0.3 km/s/Mpc. Looks like the H0 tension remains! arxiv.org/abs/2501.15704

submitted 23 days ago • 0 comments

Would be surprised if this were not true in Canada as well. Hat tip to @astromikemerri.bsky.social

submitted 24 days ago • 0 comments

Of all the things Carter did, this was always one of the most fascinating.

submitted 56 days ago • 0 comments

I’m an astronomer. When I give a movie 10h/10, I assume h=0.7. 🔭

submitted 60 days ago • 1 comment

It's the weekend, baby

submitted 72 days ago • 14 comments

www.mcsweeneys.net/articles/a-f...

submitted 80 days ago • 1 comment

Just learned the term “jargon monoxide”. I love it. Should be used more.

submitted 89 days ago • 1 comment

So this AI nonsense showed up in my discovery feed. A thread on how to avoid AI-generated slop and mislabeled/misattributed/unattributed images and find real space images and astronomy content on Bluesky. 🔭

submitted 90 days ago • 16 comments

100 years later, gravitational lensing is a powerful tool for mapping dark matter, and the scientific focus of major projects like Euclid and @vrubinobs.bsky.social

submitted 103 days ago • 0 comments