Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Yes, but Earth obstructs the field of view for about half that time. The way HST refers to an "orbit" for scheduling, only part of the elapsed time is usable observational time, for a single target.

https://hst-docs.stsci.edu/hsp/the-hubble-space-telescope-pr...

- "HST GO observing time is counted in terms of orbits. Each 96-minute orbit contains a certain amount of useful time when the target can be observed, called the orbital visibility period..."



Ah right, because it is basically in LEO so the Earth is enormous.




Consider applying for YC's Fall 2026 batch! Applications are open till July 27.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: