The Size of Earth from Seven Miles Up

• Autores: John Mottmann
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 51, Nº. 9, 2013, págs. 555-556
• Idioma: inglés
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• Resumen

  • While on a vacation flight from Hawaii to California, I observed sunset occurring on clouds far below. The view triggered a vague memory about a fun article 1 published more than three decades earlier on the topic of �Doubling Your Sunsets.� Simple observations from my flight made it possible to compute the Earth's radius.