3 ms·
My Dad tinkered with nautical sextants. He told me the Sun is actually visible after it dips below the horizon due to refraction.
by chrisbennet 7y ago
My Dad tinkered with nautical sextants.
He told me the Sun is actually visible after it dips below the horizon due to refraction.
- tgb 7y agoThat was my thought - isn't refraction going to mess up the trigonometry involved here? Like in the Bedford Level experiment [1] [1] https://en.wikipedia.org/wiki/Bedford_Level_experiment https://en.wikipedia.org/wiki/Bedford_Level_experiment