100km orbit: 1) circular orbit, with a radius of 100km 2) same but with a diameter of 100km 3) same but with a circumference of 100km 4) same but at 100km above the earth (or whatever)'s surface
Also, how far north are the Canaries? Do you have to allow for refraction through the earth's atmosphere (the stuff that makes the moon so much bigger at moon rise and moon set could be wonderful when applied to a space craft)
So let's think about this another way ... lying on your back in a field with no buildings, the world appears flat, which basically means you can see 180 degrees above you if you don't move your head (and depending on your peripheral vision and whether you're wearing glasses, possibly a fair bit less) so 32 degrees would be 1/6th of the sky.
I've just done a quick test with my glasses and my fist and I reckon that I can get seven fists (so 70 degrees) without moving my head using one eye and that adding the second eye actually only extends my field of few by another 10 degrees so that using binocular vision I reckon that I only get 60 degrees of visual coverage and that both this monitor and that space craft would actually fill half of my binocular field of view.
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the-magician.livejournal.com at 11:12am on 07/05/2002![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
1) circular orbit, with a radius of 100km
2) same but with a diameter of 100km
3) same but with a circumference of 100km
4) same but at 100km above the earth (or whatever)'s surface
Also, how far north are the Canaries? Do you have to allow for refraction through the earth's atmosphere (the stuff that makes the moon so much bigger at moon rise and moon set could be wonderful when applied to a space craft)
So let's think about this another way ... lying on your back in a field with no buildings, the world appears flat, which basically means you can see 180 degrees above you if you don't move your head (and depending on your peripheral vision and whether you're wearing glasses, possibly a fair bit less) so 32 degrees would be 1/6th of the sky.
I've just done a quick test with my glasses and my fist and I reckon that I can get seven fists (so 70 degrees) without moving my head using one eye and that adding the second eye actually only extends my field of few by another 10 degrees so that using binocular vision I reckon that I only get 60 degrees of visual coverage and that both this monitor and that space craft would actually fill half of my binocular field of view.