alt Hacker NewsThe SR-71’s star tracker was so sensitive it could track stars during the day.
https://theaviationgeekclub.com/the-sr-71-blackbird-astro-na...
The SR-71’s star tracker was so sensitive it could track stars during the day.
https://theaviationgeekclub.com/the-sr-71-blackbird-astro-na...
being halfway to space probably helped