top | item 45330663 (no title) Lewton | 5 months ago > That all of earth is round, comes not from direct observation (except for the very few people who have been in space).or anyone who's been in a plane? discuss order hn newest DonHopkins|5 months ago Square has.https://en.wikipedia.org/wiki/Flatland lukan|5 months ago Wow, that is a weird and interesting plot, thanks for that, I take it as a recommendation. lukan|5 months ago What kind of planes are you flying?I mean, I just checked, it seems under ideal conditions one could see the curvature of earth at 10.5 km height, but to me it was not really a convincing curvature last time I did a long flight. Your experience was different? quesera|5 months ago 10.5km (34.4kft) is an ordinary cruising altitude for an ordinary commercial airliner.The curvature of the earth can be quite apparent on a clear day at that altitude when flying over water. Or the midwestern US. load replies (1)
DonHopkins|5 months ago Square has.https://en.wikipedia.org/wiki/Flatland lukan|5 months ago Wow, that is a weird and interesting plot, thanks for that, I take it as a recommendation.
lukan|5 months ago Wow, that is a weird and interesting plot, thanks for that, I take it as a recommendation.
lukan|5 months ago What kind of planes are you flying?I mean, I just checked, it seems under ideal conditions one could see the curvature of earth at 10.5 km height, but to me it was not really a convincing curvature last time I did a long flight. Your experience was different? quesera|5 months ago 10.5km (34.4kft) is an ordinary cruising altitude for an ordinary commercial airliner.The curvature of the earth can be quite apparent on a clear day at that altitude when flying over water. Or the midwestern US. load replies (1)
quesera|5 months ago 10.5km (34.4kft) is an ordinary cruising altitude for an ordinary commercial airliner.The curvature of the earth can be quite apparent on a clear day at that altitude when flying over water. Or the midwestern US. load replies (1)
DonHopkins|5 months ago
https://en.wikipedia.org/wiki/Flatland
lukan|5 months ago
lukan|5 months ago
I mean, I just checked, it seems under ideal conditions one could see the curvature of earth at 10.5 km height, but to me it was not really a convincing curvature last time I did a long flight. Your experience was different?
quesera|5 months ago
The curvature of the earth can be quite apparent on a clear day at that altitude when flying over water. Or the midwestern US.