The inflection point was probably in late 1966 or 1967, so when Neil Armstrong flew to space on Gemini 8, plate tectonics was not widely accepted, but when he landed on the Moon three years later it was the mainstream consensus.

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Continents

Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.

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Shielding Chart

Many things about Star Wars were not well planned out, but having a 37-year-old in old-age makeup play the Emperor in Return of the Jedi was such an incredible call.

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Emperor Palpatine

If you don't know where you are on Earth, the angle of satellite dishes can help constrain your latitude. If some of them are pointing straight up, you're probably near the Equator, right under the ring.

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Planetary Rings

If nothing else, that reasoning definitely overturns syllogisms.

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Physics Paths

They're up there with coral islands, lightning, and caterpillars turning into butterflies.

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Sea Level

I dropped my phone while trying to search, and I tried to unlock it from up here, so can you also search for screen repair places?

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Predicament

Historians: Contemporaneous documentation of the initial events is often sparse, and in fact people often get testy and uncooperative when we urge better documentation for the historical record.

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Where Babies Come From

You say no human would reply to a forum thread about Tom Bombadil by writing and editing hundreds of words of text, complete with formatting, fancy punctuation, and two separate uses of the word 'delve'. Unfortunately for both of us, you are wrong.

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Disclaimer

Achilles was a mighty warrior, but his Achilles' heel was his heel.

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Canon