Olendirk
18th Jun 2004, 04:57
Hey!
Theres a question: How long is the twilight for an observer at the north pole? Is it correct that you cant say that without knowing the date?
Thanks!
OD
Theres a question: How long is the twilight for an observer at the north pole? Is it correct that you cant say that without knowing the date?
Thanks!
OD