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40 votes
5 answers
26k views

Why would a flight from North America to Asia sometimes fly over the Atlantic?

I am going to take AC031 from Toronto to Beijing in a couple of weeks, I searched its flight path, most of the time it will fly westbound after taking off from Toronto and continue west across the ...
Yifan Nie's user avatar
  • 527
11 votes
7 answers
7k views

Can a great circle be drawn between any two points on Earth?

If the two points are on the same parallel of latitude, then I can't imagine a great circle through them. Is it right?
Sachin Chaudhary's user avatar