Gravitation  Relativity  Cosmology   Hello everybody  If times are different between altitudes shouldnt we see different skies of stars   Thank you for your answers  This is the type of question that should be asked at the Science Reference Deskthis is really just for discussing the article itself Best wishes in getting your question answered   What do you think about   See discussion httpenwikipediaorgwikiWikipediaReferencedeskScience not ended  The French discussion on the topic in French httpfrwikipediaorgwikiDiscussionutilisateur  If it is not a forum why is it written talk