Astronomer watches Starlink satellites sinking to build a 'planetary barometer'(theregister.com)
44 points by whh | 16 comments
The Register article on astronomer Tony Phillips of spaceweather.com using Starlink satellites' orbital decay to measure atmospheric expansion as a 'planetary barometer'.

![Screenshot of osti.gov: Calculating atmospheric drag on satellites for a Cubesat [pdf]](https://hn.urlbox.com/shots/renders/2026/9/26/ff5790bb-cd43-4c52-92ef-171b8d418a69.jpg)