Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
zmgsabst
on June 21, 2023
|
parent
|
context
|
favorite
| on:
Strong Solar Flare Erupts from Sun on Jun 20, 2023
A tidally locked satellite rotates: one rotation per orbit.
this_was_posted
on June 21, 2023
[–]
unless the body it rotates around rotates at the exact same speed around another body in the opposite direction
jacquesm
on June 21, 2023
|
parent
[–]
Then it
still
rotates.
throwaway290
on June 21, 2023
|
root
|
parent
[–]
It can only rotate relative to an arbitrary point, not in some objective absolute sense. Here it does not rotate relative to chosen point.
jacquesm
on June 21, 2023
|
root
|
parent
[–]
Something about privileged reference frames...
throwaway290
on June 21, 2023
|
root
|
parent
[–]
But what's the alternative, right?
Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
