Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Prof. Sam Lawler @sundogplanets@mastodon.social

12/3/2025, 9:10:37 PM

Public

Every astronomer who complains about satellite streaks has heard the same response from techbro-types: "Why don't you just put all your telescopes in space?"

There are an incredibly large number of reasons why that is totally not going to work. But here's another from Borloff et al "Satellite megaconstellations will threaten space-based astronomy"

https://www.nature.com/articles/s41586-025-09759-5

Satellite megaconstellations will threaten space-based astronomy - Nature

Rapidly growing satellite constellations pose a substantial threat to astronomical observations, with projections indicating that future space telescopes will have more than 96% of their exposures affected by satellite trails, necessitating urgent mitigation strategies.

www.nature.com · Nature

Prof. Sam Lawler @sundogplanets@mastodon.social

12/3/2025, 9:14:49 PM

Public

The accompanying News & Views piece "Even in space, satellites photobomb telescopes" by @merrdiff.bsky.socialMeredith Rawls is excellent!

https://rdcu.be/eSZJX

Here's a lovely space-based telescope image, with 560,000 satellite friends. Thanks, techbros.

2 side-by-side images of a couple of galaxies, taken from a space-based telescope so the images are very sharp. The right image is covered by bright lines. It looks like a spiderweb on top of the two galaxies.

If you have a fediverse account, you can quote this note from your own instance. Search https://mastodon.social/users/sundogplanets/statuses/115657702750715108 on your instance and quote it. (Note that quoting is not supported in Mastodon.)