What was one of the shapes of Aristarchus's sundials?
Spherical
Hemispherical
Cuboidal
Cylindrical
Answer
The hemispherical sundial, one of Aristarchus's inventions, was a bowl-shaped device that utilized sunlight to measure time. Its concave interior featured markings that represented the hour lines and the celestial equator. As the Sun moved across the sky, its rays would cast shadows onto these markings, indicating the time of day. This innovative design provided a more precise and efficient method of timekeeping compared to traditional flat sundials.
Aristarchus: The Forgotten Genius Quiz
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